Home / 2,992,872.80-4,489,309.20-749,007.20

Finding the Fourth Proportional to 2,992,872.80, 4,489,309.20 and 749,007.20

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Solution

The fourth proportional to 2,992,872.80, 4,489,309.20 and 749,007.20 is: 1,123,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,872.80 : 4,489,309.20 = 749,007.20 : x
  2. Step 2: Convert to fraction form
    2,992,872.80/4,489,309.20 = 749,007.20/x
  3. Step 3: Cross multiply
    2,992,872.80x = 4,489,309.20 × 749,007.20
  4. Step 4: Simplify right side
    2,992,872.80x = 3,362,524,913,826.24
  5. Step 5: Solve for x
    x = 3,362,524,913,826.24/2,992,872.80
  6. Step 6: Final answer
    x = 1,123,510.80

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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.