Home / 6,240,625.20-9,360,937.80-1,981,126.80

Finding the Fourth Proportional to 6,240,625.20, 9,360,937.80 and 1,981,126.80

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Solution

The fourth proportional to 6,240,625.20, 9,360,937.80 and 1,981,126.80 is: 2,971,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,625.20 : 9,360,937.80 = 1,981,126.80 : x
  2. Step 2: Convert to fraction form
    6,240,625.20/9,360,937.80 = 1,981,126.80/x
  3. Step 3: Cross multiply
    6,240,625.20x = 9,360,937.80 × 1,981,126.80
  4. Step 4: Simplify right side
    6,240,625.20x = 18,545,204,748,713.04
  5. Step 5: Solve for x
    x = 18,545,204,748,713.04/6,240,625.20
  6. Step 6: Final answer
    x = 2,971,690.20

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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.