Home / 1,924,921.80-2,887,641.90-663,136.20

Finding the Fourth Proportional to 1,924,921.80, 2,887,641.90 and 663,136.20

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Solution

The fourth proportional to 1,924,921.80, 2,887,641.90 and 663,136.20 is: 994,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924,921.80 : 2,887,641.90 = 663,136.20 : x
  2. Step 2: Convert to fraction form
    1,924,921.80/2,887,641.90 = 663,136.20/x
  3. Step 3: Cross multiply
    1,924,921.80x = 2,887,641.90 × 663,136.20
  4. Step 4: Simplify right side
    1,924,921.80x = 1,914,899,876,526.78
  5. Step 5: Solve for x
    x = 1,914,899,876,526.78/1,924,921.80
  6. Step 6: Final answer
    x = 994,793.59

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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.