Home / 3,161,515.60-4,728,276.60-2,657,630.80

Finding the Fourth Proportional to 3,161,515.60, 4,728,276.60 and 2,657,630.80

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Solution

The fourth proportional to 3,161,515.60, 4,728,276.60 and 2,657,630.80 is: 3,974,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,515.60 : 4,728,276.60 = 2,657,630.80 : x
  2. Step 2: Convert to fraction form
    3,161,515.60/4,728,276.60 = 2,657,630.80/x
  3. Step 3: Cross multiply
    3,161,515.60x = 4,728,276.60 × 2,657,630.80
  4. Step 4: Simplify right side
    3,161,515.60x = 12,566,013,523,079.28
  5. Step 5: Solve for x
    x = 12,566,013,523,079.28/3,161,515.60
  6. Step 6: Final answer
    x = 3,974,680.22

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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.