Home / 3,129,019.11-4,695,503.08-1,331,899.72

Finding the Fourth Proportional to 3,129,019.11, 4,695,503.08 and 1,331,899.72

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Solution

The fourth proportional to 3,129,019.11, 4,695,503.08 and 1,331,899.72 is: 1,998,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,019.11 : 4,695,503.08 = 1,331,899.72 : x
  2. Step 2: Convert to fraction form
    3,129,019.11/4,695,503.08 = 1,331,899.72/x
  3. Step 3: Cross multiply
    3,129,019.11x = 4,695,503.08 × 1,331,899.72
  4. Step 4: Simplify right side
    3,129,019.11x = 6,253,939,234,181.39
  5. Step 5: Solve for x
    x = 6,253,939,234,181.39/3,129,019.11
  6. Step 6: Final answer
    x = 1,998,690.01

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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.