Home / 5,195,542.15-7,169,636.34-2,872,286.80

Finding the Fourth Proportional to 5,195,542.15, 7,169,636.34 and 2,872,286.80

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Solution

The fourth proportional to 5,195,542.15, 7,169,636.34 and 2,872,286.80 is: 3,963,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195,542.15 : 7,169,636.34 = 2,872,286.80 : x
  2. Step 2: Convert to fraction form
    5,195,542.15/7,169,636.34 = 2,872,286.80/x
  3. Step 3: Cross multiply
    5,195,542.15x = 7,169,636.34 × 2,872,286.80
  4. Step 4: Simplify right side
    5,195,542.15x = 20,593,251,820,182.31
  5. Step 5: Solve for x
    x = 20,593,251,820,182.31/5,195,542.15
  6. Step 6: Final answer
    x = 3,963,638.68

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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.