Home / 2,152,194.76-2,970,163.08-1,185,324.78

Finding the Fourth Proportional to 2,152,194.76, 2,970,163.08 and 1,185,324.78

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Solution

The fourth proportional to 2,152,194.76, 2,970,163.08 and 1,185,324.78 is: 1,635,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,194.76 : 2,970,163.08 = 1,185,324.78 : x
  2. Step 2: Convert to fraction form
    2,152,194.76/2,970,163.08 = 1,185,324.78/x
  3. Step 3: Cross multiply
    2,152,194.76x = 2,970,163.08 × 1,185,324.78
  4. Step 4: Simplify right side
    2,152,194.76x = 3,520,607,899,365.12
  5. Step 5: Solve for x
    x = 3,520,607,899,365.12/2,152,194.76
  6. Step 6: Final answer
    x = 1,635,822.17

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Double scale
Find fourth proportional to 2,152,195.76, 2,970,164.46 and 1,185,325.78
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.