Home / 3,149,147.32-4,344,572.46-1,939,823.80

Finding the Fourth Proportional to 3,149,147.32, 4,344,572.46 and 1,939,823.80

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Solution

The fourth proportional to 3,149,147.32, 4,344,572.46 and 1,939,823.80 is: 2,676,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,147.32 : 4,344,572.46 = 1,939,823.80 : x
  2. Step 2: Convert to fraction form
    3,149,147.32/4,344,572.46 = 1,939,823.80/x
  3. Step 3: Cross multiply
    3,149,147.32x = 4,344,572.46 × 1,939,823.80
  4. Step 4: Simplify right side
    3,149,147.32x = 8,427,705,058,732.55
  5. Step 5: Solve for x
    x = 8,427,705,058,732.55/3,149,147.32
  6. Step 6: Final answer
    x = 2,676,186.35

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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.