Home / 5,129,840.20-7,694,760.30-1,343,705.80

Finding the Fourth Proportional to 5,129,840.20, 7,694,760.30 and 1,343,705.80

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Solution

The fourth proportional to 5,129,840.20, 7,694,760.30 and 1,343,705.80 is: 2,015,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,840.20 : 7,694,760.30 = 1,343,705.80 : x
  2. Step 2: Convert to fraction form
    5,129,840.20/7,694,760.30 = 1,343,705.80/x
  3. Step 3: Cross multiply
    5,129,840.20x = 7,694,760.30 × 1,343,705.80
  4. Step 4: Simplify right side
    5,129,840.20x = 10,339,494,044,719.74
  5. Step 5: Solve for x
    x = 10,339,494,044,719.74/5,129,840.20
  6. Step 6: Final answer
    x = 2,015,558.70

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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.