Home / 3,943,735.78-5,442,355.38-2,132,899.78

Finding the Fourth Proportional to 3,943,735.78, 5,442,355.38 and 2,132,899.78

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Solution

The fourth proportional to 3,943,735.78, 5,442,355.38 and 2,132,899.78 is: 2,943,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,735.78 : 5,442,355.38 = 2,132,899.78 : x
  2. Step 2: Convert to fraction form
    3,943,735.78/5,442,355.38 = 2,132,899.78/x
  3. Step 3: Cross multiply
    3,943,735.78x = 5,442,355.38 × 2,132,899.78
  4. Step 4: Simplify right side
    3,943,735.78x = 11,607,998,592,683.81
  5. Step 5: Solve for x
    x = 11,607,998,592,683.81/3,943,735.78
  6. Step 6: Final answer
    x = 2,943,401.70

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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.