Home / 5,986,808.20-8,981,378.70-2,391,963.40

Finding the Fourth Proportional to 5,986,808.20, 8,981,378.70 and 2,391,963.40

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Solution

The fourth proportional to 5,986,808.20, 8,981,378.70 and 2,391,963.40 is: 3,588,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986,808.20 : 8,981,378.70 = 2,391,963.40 : x
  2. Step 2: Convert to fraction form
    5,986,808.20/8,981,378.70 = 2,391,963.40/x
  3. Step 3: Cross multiply
    5,986,808.20x = 8,981,378.70 × 2,391,963.40
  4. Step 4: Simplify right side
    5,986,808.20x = 21,483,129,131,939.58
  5. Step 5: Solve for x
    x = 21,483,129,131,939.58/5,986,808.20
  6. Step 6: Final answer
    x = 3,588,411.12

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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.