Home / 5,979,680.40-8,969,520.60-1,719,598.80

Finding the Fourth Proportional to 5,979,680.40, 8,969,520.60 and 1,719,598.80

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Solution

The fourth proportional to 5,979,680.40, 8,969,520.60 and 1,719,598.80 is: 2,579,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,680.40 : 8,969,520.60 = 1,719,598.80 : x
  2. Step 2: Convert to fraction form
    5,979,680.40/8,969,520.60 = 1,719,598.80/x
  3. Step 3: Cross multiply
    5,979,680.40x = 8,969,520.60 × 1,719,598.80
  4. Step 4: Simplify right side
    5,979,680.40x = 15,423,976,860,335.28
  5. Step 5: Solve for x
    x = 15,423,976,860,335.28/5,979,680.40
  6. Step 6: Final answer
    x = 2,579,398.20

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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.