Home / 3,937,272-5,906,478.24-1,240,684.80

Finding the Fourth Proportional to 3,937,272, 5,906,478.24 and 1,240,684.80

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Solution

The fourth proportional to 3,937,272, 5,906,478.24 and 1,240,684.80 is: 1,861,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,272 : 5,906,478.24 = 1,240,684.80 : x
  2. Step 2: Convert to fraction form
    3,937,272/5,906,478.24 = 1,240,684.80/x
  3. Step 3: Cross multiply
    3,937,272x = 5,906,478.24 × 1,240,684.80
  4. Step 4: Simplify right side
    3,937,272x = 7,328,077,773,898.75
  5. Step 5: Solve for x
    x = 7,328,077,773,898.75/3,937,272
  6. Step 6: Final answer
    x = 1,861,206.89

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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.