Home / 2,320,748.20-3,479,022.78-824,490.28

Finding the Fourth Proportional to 2,320,748.20, 3,479,022.78 and 824,490.28

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Solution

The fourth proportional to 2,320,748.20, 3,479,022.78 and 824,490.28 is: 1,235,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320,748.20 : 3,479,022.78 = 824,490.28 : x
  2. Step 2: Convert to fraction form
    2,320,748.20/3,479,022.78 = 824,490.28/x
  3. Step 3: Cross multiply
    2,320,748.20x = 3,479,022.78 × 824,490.28
  4. Step 4: Simplify right side
    2,320,748.20x = 2,868,420,466,008.58
  5. Step 5: Solve for x
    x = 2,868,420,466,008.58/2,320,748.20
  6. Step 6: Final answer
    x = 1,235,989.53

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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.