Home / 2,752,868.70-4,129,303.05-2,185,998.30

Finding the Fourth Proportional to 2,752,868.70, 4,129,303.05 and 2,185,998.30

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Solution

The fourth proportional to 2,752,868.70, 4,129,303.05 and 2,185,998.30 is: 3,278,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,868.70 : 4,129,303.05 = 2,185,998.30 : x
  2. Step 2: Convert to fraction form
    2,752,868.70/4,129,303.05 = 2,185,998.30/x
  3. Step 3: Cross multiply
    2,752,868.70x = 4,129,303.05 × 2,185,998.30
  4. Step 4: Simplify right side
    2,752,868.70x = 9,026,649,447,484.82
  5. Step 5: Solve for x
    x = 9,026,649,447,484.82/2,752,868.70
  6. Step 6: Final answer
    x = 3,278,997.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.