Home / 2,891,275.20-4,336,912.80-2,429,380.80

Finding the Fourth Proportional to 2,891,275.20, 4,336,912.80 and 2,429,380.80

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Solution

The fourth proportional to 2,891,275.20, 4,336,912.80 and 2,429,380.80 is: 3,644,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,275.20 : 4,336,912.80 = 2,429,380.80 : x
  2. Step 2: Convert to fraction form
    2,891,275.20/4,336,912.80 = 2,429,380.80/x
  3. Step 3: Cross multiply
    2,891,275.20x = 4,336,912.80 × 2,429,380.80
  4. Step 4: Simplify right side
    2,891,275.20x = 10,536,012,687,594.24
  5. Step 5: Solve for x
    x = 10,536,012,687,594.24/2,891,275.20
  6. Step 6: Final answer
    x = 3,644,071.20

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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.