Home / 2,255,077.77-3,116,130.26-1,642,163.73

Finding the Fourth Proportional to 2,255,077.77, 3,116,130.26 and 1,642,163.73

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Solution

The fourth proportional to 2,255,077.77, 3,116,130.26 and 1,642,163.73 is: 2,269,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,077.77 : 3,116,130.26 = 1,642,163.73 : x
  2. Step 2: Convert to fraction form
    2,255,077.77/3,116,130.26 = 1,642,163.73/x
  3. Step 3: Cross multiply
    2,255,077.77x = 3,116,130.26 × 1,642,163.73
  4. Step 4: Simplify right side
    2,255,077.77x = 5,117,196,090,927.47
  5. Step 5: Solve for x
    x = 5,117,196,090,927.47/2,255,077.77
  6. Step 6: Final answer
    x = 2,269,188.30

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Double scale
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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.