Home / 2,572,149.72-3,857,436.28-1,778,531.16

Finding the Fourth Proportional to 2,572,149.72, 3,857,436.28 and 1,778,531.16

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Solution

The fourth proportional to 2,572,149.72, 3,857,436.28 and 1,778,531.16 is: 2,667,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572,149.72 : 3,857,436.28 = 1,778,531.16 : x
  2. Step 2: Convert to fraction form
    2,572,149.72/3,857,436.28 = 1,778,531.16/x
  3. Step 3: Cross multiply
    2,572,149.72x = 3,857,436.28 × 1,778,531.16
  4. Step 4: Simplify right side
    2,572,149.72x = 6,860,570,621,694.49
  5. Step 5: Solve for x
    x = 6,860,570,621,694.49/2,572,149.72
  6. Step 6: Final answer
    x = 2,667,251.66

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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.