Home / 3,929,506.30-5,420,420.28-2,553,766.31

Finding the Fourth Proportional to 3,929,506.30, 5,420,420.28 and 2,553,766.31

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Solution

The fourth proportional to 3,929,506.30, 5,420,420.28 and 2,553,766.31 is: 3,522,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,506.30 : 5,420,420.28 = 2,553,766.31 : x
  2. Step 2: Convert to fraction form
    3,929,506.30/5,420,420.28 = 2,553,766.31/x
  3. Step 3: Cross multiply
    3,929,506.30x = 5,420,420.28 × 2,553,766.31
  4. Step 4: Simplify right side
    3,929,506.30x = 13,842,486,702,593.35
  5. Step 5: Solve for x
    x = 13,842,486,702,593.35/3,929,506.30
  6. Step 6: Final answer
    x = 3,522,703.78

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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.