Home / 2,657,076.68-3,986,247.42-859,960.16

Finding the Fourth Proportional to 2,657,076.68, 3,986,247.42 and 859,960.16

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Solution

The fourth proportional to 2,657,076.68, 3,986,247.42 and 859,960.16 is: 1,290,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,076.68 : 3,986,247.42 = 859,960.16 : x
  2. Step 2: Convert to fraction form
    2,657,076.68/3,986,247.42 = 859,960.16/x
  3. Step 3: Cross multiply
    2,657,076.68x = 3,986,247.42 × 859,960.16
  4. Step 4: Simplify right side
    2,657,076.68x = 3,428,013,969,102.79
  5. Step 5: Solve for x
    x = 3,428,013,969,102.79/2,657,076.68
  6. Step 6: Final answer
    x = 1,290,144.92

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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.