Home / 5,820,215.85-8,731,383.05-1,981,842.12

Finding the Fourth Proportional to 5,820,215.85, 8,731,383.05 and 1,981,842.12

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Solution

The fourth proportional to 5,820,215.85, 8,731,383.05 and 1,981,842.12 is: 2,973,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820,215.85 : 8,731,383.05 = 1,981,842.12 : x
  2. Step 2: Convert to fraction form
    5,820,215.85/8,731,383.05 = 1,981,842.12/x
  3. Step 3: Cross multiply
    5,820,215.85x = 8,731,383.05 × 1,981,842.12
  4. Step 4: Simplify right side
    5,820,215.85x = 17,304,222,684,434.86
  5. Step 5: Solve for x
    x = 17,304,222,684,434.86/5,820,215.85
  6. Step 6: Final answer
    x = 2,973,123.87

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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.