Home / 1,942,331.10-2,680,428.15-1,082,944.86

Finding the Fourth Proportional to 1,942,331.10, 2,680,428.15 and 1,082,944.86

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Solution

The fourth proportional to 1,942,331.10, 2,680,428.15 and 1,082,944.86 is: 1,494,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,331.10 : 2,680,428.15 = 1,082,944.86 : x
  2. Step 2: Convert to fraction form
    1,942,331.10/2,680,428.15 = 1,082,944.86/x
  3. Step 3: Cross multiply
    1,942,331.10x = 2,680,428.15 × 1,082,944.86
  4. Step 4: Simplify right side
    1,942,331.10x = 2,902,755,887,641.81
  5. Step 5: Solve for x
    x = 2,902,755,887,641.81/1,942,331.10
  6. Step 6: Final answer
    x = 1,494,470.17

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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.