Home / 2,518,981.17-3,776,234.10-981,620.71

Finding the Fourth Proportional to 2,518,981.17, 3,776,234.10 and 981,620.71

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Solution

The fourth proportional to 2,518,981.17, 3,776,234.10 and 981,620.71 is: 1,471,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,981.17 : 3,776,234.10 = 981,620.71 : x
  2. Step 2: Convert to fraction form
    2,518,981.17/3,776,234.10 = 981,620.71/x
  3. Step 3: Cross multiply
    2,518,981.17x = 3,776,234.10 × 981,620.71
  4. Step 4: Simplify right side
    2,518,981.17x = 3,706,829,598,368.21
  5. Step 5: Solve for x
    x = 3,706,829,598,368.21/2,518,981.17
  6. Step 6: Final answer
    x = 1,471,559.07

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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.