Home / 2,167,139.67-3,250,861.20-870,291.87

Finding the Fourth Proportional to 2,167,139.67, 3,250,861.20 and 870,291.87

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Solution

The fourth proportional to 2,167,139.67, 3,250,861.20 and 870,291.87 is: 1,305,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,139.67 : 3,250,861.20 = 870,291.87 : x
  2. Step 2: Convert to fraction form
    2,167,139.67/3,250,861.20 = 870,291.87/x
  3. Step 3: Cross multiply
    2,167,139.67x = 3,250,861.20 × 870,291.87
  4. Step 4: Simplify right side
    2,167,139.67x = 2,829,198,068,741.58
  5. Step 5: Solve for x
    x = 2,829,198,068,741.58/2,167,139.67
  6. Step 6: Final answer
    x = 1,305,498.72

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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.