Home / 6,838,785.60-9,436,701.92-3,939,119.52

Finding the Fourth Proportional to 6,838,785.60, 9,436,701.92 and 3,939,119.52

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Solution

The fourth proportional to 6,838,785.60, 9,436,701.92 and 3,939,119.52 is: 5,435,511.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838,785.60 : 9,436,701.92 = 3,939,119.52 : x
  2. Step 2: Convert to fraction form
    6,838,785.60/9,436,701.92 = 3,939,119.52/x
  3. Step 3: Cross multiply
    6,838,785.60x = 9,436,701.92 × 3,939,119.52
  4. Step 4: Simplify right side
    6,838,785.60x = 37,172,296,737,493.48
  5. Step 5: Solve for x
    x = 37,172,296,737,493.48/6,838,785.60
  6. Step 6: Final answer
    x = 5,435,511.35

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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.