Home / 2,959,338.13-4,436,382.78-1,442,172.49

Finding the Fourth Proportional to 2,959,338.13, 4,436,382.78 and 1,442,172.49

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Solution

The fourth proportional to 2,959,338.13, 4,436,382.78 and 1,442,172.49 is: 2,161,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959,338.13 : 4,436,382.78 = 1,442,172.49 : x
  2. Step 2: Convert to fraction form
    2,959,338.13/4,436,382.78 = 1,442,172.49/x
  3. Step 3: Cross multiply
    2,959,338.13x = 4,436,382.78 × 1,442,172.49
  4. Step 4: Simplify right side
    2,959,338.13x = 6,398,029,189,334.77
  5. Step 5: Solve for x
    x = 6,398,029,189,334.77/2,959,338.13
  6. Step 6: Final answer
    x = 2,161,979.78

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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.