Home / 3,929,445.30-5,894,917.22-1,371,390.90

Finding the Fourth Proportional to 3,929,445.30, 5,894,917.22 and 1,371,390.90

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Solution

The fourth proportional to 3,929,445.30, 5,894,917.22 and 1,371,390.90 is: 2,057,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,445.30 : 5,894,917.22 = 1,371,390.90 : x
  2. Step 2: Convert to fraction form
    3,929,445.30/5,894,917.22 = 1,371,390.90/x
  3. Step 3: Cross multiply
    3,929,445.30x = 5,894,917.22 × 1,371,390.90
  4. Step 4: Simplify right side
    3,929,445.30x = 8,084,235,831,761.30
  5. Step 5: Solve for x
    x = 8,084,235,831,761.30/3,929,445.30
  6. Step 6: Final answer
    x = 2,057,347.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.