Home / 3,120,458.10-4,680,687.15-2,588,579.70

Finding the Fourth Proportional to 3,120,458.10, 4,680,687.15 and 2,588,579.70

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Solution

The fourth proportional to 3,120,458.10, 4,680,687.15 and 2,588,579.70 is: 3,882,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,458.10 : 4,680,687.15 = 2,588,579.70 : x
  2. Step 2: Convert to fraction form
    3,120,458.10/4,680,687.15 = 2,588,579.70/x
  3. Step 3: Cross multiply
    3,120,458.10x = 4,680,687.15 × 2,588,579.70
  4. Step 4: Simplify right side
    3,120,458.10x = 12,116,331,738,540.86
  5. Step 5: Solve for x
    x = 12,116,331,738,540.86/3,120,458.10
  6. Step 6: Final answer
    x = 3,882,869.55

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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.