Home / 4,138,408.60-6,207,807.30-1,298,613.40

Finding the Fourth Proportional to 4,138,408.60, 6,207,807.30 and 1,298,613.40

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Solution

The fourth proportional to 4,138,408.60, 6,207,807.30 and 1,298,613.40 is: 1,947,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,408.60 : 6,207,807.30 = 1,298,613.40 : x
  2. Step 2: Convert to fraction form
    4,138,408.60/6,207,807.30 = 1,298,613.40/x
  3. Step 3: Cross multiply
    4,138,408.60x = 6,207,807.30 × 1,298,613.40
  4. Step 4: Simplify right side
    4,138,408.60x = 8,061,541,744,397.82
  5. Step 5: Solve for x
    x = 8,061,541,744,397.82/4,138,408.60
  6. Step 6: Final answer
    x = 1,947,981.10

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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.