Home / 2,080,411.20-3,120,616.80-1,924,891.20

Finding the Fourth Proportional to 2,080,411.20, 3,120,616.80 and 1,924,891.20

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Solution

The fourth proportional to 2,080,411.20, 3,120,616.80 and 1,924,891.20 is: 2,887,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,411.20 : 3,120,616.80 = 1,924,891.20 : x
  2. Step 2: Convert to fraction form
    2,080,411.20/3,120,616.80 = 1,924,891.20/x
  3. Step 3: Cross multiply
    2,080,411.20x = 3,120,616.80 × 1,924,891.20
  4. Step 4: Simplify right side
    2,080,411.20x = 6,006,847,816,892.16
  5. Step 5: Solve for x
    x = 6,006,847,816,892.16/2,080,411.20
  6. Step 6: Final answer
    x = 2,887,336.80

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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.