Home / 3,138,649.60-4,707,974.40-2,382,822.40

Finding the Fourth Proportional to 3,138,649.60, 4,707,974.40 and 2,382,822.40

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Solution

The fourth proportional to 3,138,649.60, 4,707,974.40 and 2,382,822.40 is: 3,574,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,649.60 : 4,707,974.40 = 2,382,822.40 : x
  2. Step 2: Convert to fraction form
    3,138,649.60/4,707,974.40 = 2,382,822.40/x
  3. Step 3: Cross multiply
    3,138,649.60x = 4,707,974.40 × 2,382,822.40
  4. Step 4: Simplify right side
    3,138,649.60x = 11,218,266,858,946.56
  5. Step 5: Solve for x
    x = 11,218,266,858,946.56/3,138,649.60
  6. Step 6: Final answer
    x = 3,574,233.60

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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.