Home / 2,486,084.33-3,430,761.90-1,398,356.64

Finding the Fourth Proportional to 2,486,084.33, 3,430,761.90 and 1,398,356.64

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Solution

The fourth proportional to 2,486,084.33, 3,430,761.90 and 1,398,356.64 is: 1,929,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,084.33 : 3,430,761.90 = 1,398,356.64 : x
  2. Step 2: Convert to fraction form
    2,486,084.33/3,430,761.90 = 1,398,356.64/x
  3. Step 3: Cross multiply
    2,486,084.33x = 3,430,761.90 × 1,398,356.64
  4. Step 4: Simplify right side
    2,486,084.33x = 4,797,428,683,124.02
  5. Step 5: Solve for x
    x = 4,797,428,683,124.02/2,486,084.33
  6. Step 6: Final answer
    x = 1,929,712.78

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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.