Home / 5,173,417.71-7,138,974.90-3,107,205.56

Finding the Fourth Proportional to 5,173,417.71, 7,138,974.90 and 3,107,205.56

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Solution

The fourth proportional to 5,173,417.71, 7,138,974.90 and 3,107,205.56 is: 4,287,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,417.71 : 7,138,974.90 = 3,107,205.56 : x
  2. Step 2: Convert to fraction form
    5,173,417.71/7,138,974.90 = 3,107,205.56/x
  3. Step 3: Cross multiply
    5,173,417.71x = 7,138,974.90 × 3,107,205.56
  4. Step 4: Simplify right side
    5,173,417.71x = 22,182,262,466,285.57
  5. Step 5: Solve for x
    x = 22,182,262,466,285.57/5,173,417.71
  6. Step 6: Final answer
    x = 4,287,738.53

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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.