Home / 2,981,600.38-4,472,492.84-822,662.89

Finding the Fourth Proportional to 2,981,600.38, 4,472,492.84 and 822,662.89

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Solution

The fourth proportional to 2,981,600.38, 4,472,492.84 and 822,662.89 is: 1,234,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,600.38 : 4,472,492.84 = 822,662.89 : x
  2. Step 2: Convert to fraction form
    2,981,600.38/4,472,492.84 = 822,662.89/x
  3. Step 3: Cross multiply
    2,981,600.38x = 4,472,492.84 × 822,662.89
  4. Step 4: Simplify right side
    2,981,600.38x = 3,679,353,885,258.71
  5. Step 5: Solve for x
    x = 3,679,353,885,258.71/2,981,600.38
  6. Step 6: Final answer
    x = 1,234,019.79

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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.