Home / 6,240,625.70-9,360,938.55-1,981,127.30

Finding the Fourth Proportional to 6,240,625.70, 9,360,938.55 and 1,981,127.30

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Solution

The fourth proportional to 6,240,625.70, 9,360,938.55 and 1,981,127.30 is: 2,971,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,625.70 : 9,360,938.55 = 1,981,127.30 : x
  2. Step 2: Convert to fraction form
    6,240,625.70/9,360,938.55 = 1,981,127.30/x
  3. Step 3: Cross multiply
    6,240,625.70x = 9,360,938.55 × 1,981,127.30
  4. Step 4: Simplify right side
    6,240,625.70x = 18,545,210,915,027.42
  5. Step 5: Solve for x
    x = 18,545,210,915,027.42/6,240,625.70
  6. Step 6: Final answer
    x = 2,971,690.95

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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.