Home / 3,988,260.57-5,981,136.06-1,291,960.22

Finding the Fourth Proportional to 3,988,260.57, 5,981,136.06 and 1,291,960.22

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Solution

The fourth proportional to 3,988,260.57, 5,981,136.06 and 1,291,960.22 is: 1,937,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,260.57 : 5,981,136.06 = 1,291,960.22 : x
  2. Step 2: Convert to fraction form
    3,988,260.57/5,981,136.06 = 1,291,960.22/x
  3. Step 3: Cross multiply
    3,988,260.57x = 5,981,136.06 × 1,291,960.22
  4. Step 4: Simplify right side
    3,988,260.57x = 7,727,389,834,866.70
  5. Step 5: Solve for x
    x = 7,727,389,834,866.70/3,988,260.57
  6. Step 6: Final answer
    x = 1,937,533.84

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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.