Home / 2,660,487.63-3,989,890.56-954,592.80

Finding the Fourth Proportional to 2,660,487.63, 3,989,890.56 and 954,592.80

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Solution

The fourth proportional to 2,660,487.63, 3,989,890.56 and 954,592.80 is: 1,431,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,487.63 : 3,989,890.56 = 954,592.80 : x
  2. Step 2: Convert to fraction form
    2,660,487.63/3,989,890.56 = 954,592.80/x
  3. Step 3: Cross multiply
    2,660,487.63x = 3,989,890.56 × 954,592.80
  4. Step 4: Simplify right side
    2,660,487.63x = 3,808,720,801,363.97
  5. Step 5: Solve for x
    x = 3,808,720,801,363.97/2,660,487.63
  6. Step 6: Final answer
    x = 1,431,587.49

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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.