Home / 3,915,642.57-5,404,580.01-2,675,755.11

Finding the Fourth Proportional to 3,915,642.57, 5,404,580.01 and 2,675,755.11

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Solution

The fourth proportional to 3,915,642.57, 5,404,580.01 and 2,675,755.11 is: 3,693,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,642.57 : 5,404,580.01 = 2,675,755.11 : x
  2. Step 2: Convert to fraction form
    3,915,642.57/5,404,580.01 = 2,675,755.11/x
  3. Step 3: Cross multiply
    3,915,642.57x = 5,404,580.01 × 2,675,755.11
  4. Step 4: Simplify right side
    3,915,642.57x = 14,461,332,599,428.53
  5. Step 5: Solve for x
    x = 14,461,332,599,428.53/3,915,642.57
  6. Step 6: Final answer
    x = 3,693,220.81

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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.