Home / 3,439,203.80-5,158,854.30-1,309,404.38

Finding the Fourth Proportional to 3,439,203.80, 5,158,854.30 and 1,309,404.38

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Solution

The fourth proportional to 3,439,203.80, 5,158,854.30 and 1,309,404.38 is: 1,964,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,203.80 : 5,158,854.30 = 1,309,404.38 : x
  2. Step 2: Convert to fraction form
    3,439,203.80/5,158,854.30 = 1,309,404.38/x
  3. Step 3: Cross multiply
    3,439,203.80x = 5,158,854.30 × 1,309,404.38
  4. Step 4: Simplify right side
    3,439,203.80x = 6,755,026,416,201.83
  5. Step 5: Solve for x
    x = 6,755,026,416,201.83/3,439,203.80
  6. Step 6: Final answer
    x = 1,964,125.07

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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.