Home / 3,128,964.45-4,695,421.13-1,331,845.04

Finding the Fourth Proportional to 3,128,964.45, 4,695,421.13 and 1,331,845.04

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Solution

The fourth proportional to 3,128,964.45, 4,695,421.13 and 1,331,845.04 is: 1,998,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,964.45 : 4,695,421.13 = 1,331,845.04 : x
  2. Step 2: Convert to fraction form
    3,128,964.45/4,695,421.13 = 1,331,845.04/x
  3. Step 3: Cross multiply
    3,128,964.45x = 4,695,421.13 × 1,331,845.04
  4. Step 4: Simplify right side
    3,128,964.45x = 6,253,573,342,701.70
  5. Step 5: Solve for x
    x = 6,253,573,342,701.70/3,128,964.45
  6. Step 6: Final answer
    x = 1,998,607.99

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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.