Home / 4,138,432.80-6,207,911.60-1,298,657.04

Finding the Fourth Proportional to 4,138,432.80, 6,207,911.60 and 1,298,657.04

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Solution

The fourth proportional to 4,138,432.80, 6,207,911.60 and 1,298,657.04 is: 1,948,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,432.80 : 6,207,911.60 = 1,298,657.04 : x
  2. Step 2: Convert to fraction form
    4,138,432.80/6,207,911.60 = 1,298,657.04/x
  3. Step 3: Cross multiply
    4,138,432.80x = 6,207,911.60 × 1,298,657.04
  4. Step 4: Simplify right side
    4,138,432.80x = 8,061,948,103,037.66
  5. Step 5: Solve for x
    x = 8,061,948,103,037.66/4,138,432.80
  6. Step 6: Final answer
    x = 1,948,067.90

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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.