Home / 2,920,933.62-4,381,815.11-899,345.57

Finding the Fourth Proportional to 2,920,933.62, 4,381,815.11 and 899,345.57

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Solution

The fourth proportional to 2,920,933.62, 4,381,815.11 and 899,345.57 is: 1,349,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,933.62 : 4,381,815.11 = 899,345.57 : x
  2. Step 2: Convert to fraction form
    2,920,933.62/4,381,815.11 = 899,345.57/x
  3. Step 3: Cross multiply
    2,920,933.62x = 4,381,815.11 × 899,345.57
  4. Step 4: Simplify right side
    2,920,933.62x = 3,940,765,981,331.76
  5. Step 5: Solve for x
    x = 3,940,765,981,331.76/2,920,933.62
  6. Step 6: Final answer
    x = 1,349,146.02

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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.