Home / 5,148,126-7,104,414.74-2,856,281.22

Finding the Fourth Proportional to 5,148,126, 7,104,414.74 and 2,856,281.22

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Solution

The fourth proportional to 5,148,126, 7,104,414.74 and 2,856,281.22 is: 3,941,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,126 : 7,104,414.74 = 2,856,281.22 : x
  2. Step 2: Convert to fraction form
    5,148,126/7,104,414.74 = 2,856,281.22/x
  3. Step 3: Cross multiply
    5,148,126x = 7,104,414.74 × 2,856,281.22
  4. Step 4: Simplify right side
    5,148,126x = 20,292,206,386,671.78
  5. Step 5: Solve for x
    x = 20,292,206,386,671.78/5,148,126
  6. Step 6: Final answer
    x = 3,941,668.56

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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.