Home / 2,527,689.73-3,488,235.03-1,439,945.20

Finding the Fourth Proportional to 2,527,689.73, 3,488,235.03 and 1,439,945.20

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Solution

The fourth proportional to 2,527,689.73, 3,488,235.03 and 1,439,945.20 is: 1,987,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527,689.73 : 3,488,235.03 = 1,439,945.20 : x
  2. Step 2: Convert to fraction form
    2,527,689.73/3,488,235.03 = 1,439,945.20/x
  3. Step 3: Cross multiply
    2,527,689.73x = 3,488,235.03 × 1,439,945.20
  4. Step 4: Simplify right side
    2,527,689.73x = 5,022,867,287,920.36
  5. Step 5: Solve for x
    x = 5,022,867,287,920.36/2,527,689.73
  6. Step 6: Final answer
    x = 1,987,137.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.