Home / 5,164,115.06-7,126,379.52-2,840,871.80

Finding the Fourth Proportional to 5,164,115.06, 7,126,379.52 and 2,840,871.80

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Solution

The fourth proportional to 5,164,115.06, 7,126,379.52 and 2,840,871.80 is: 3,920,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,115.06 : 7,126,379.52 = 2,840,871.80 : x
  2. Step 2: Convert to fraction form
    5,164,115.06/7,126,379.52 = 2,840,871.80/x
  3. Step 3: Cross multiply
    5,164,115.06x = 7,126,379.52 × 2,840,871.80
  4. Step 4: Simplify right side
    5,164,115.06x = 20,245,130,614,465.54
  5. Step 5: Solve for x
    x = 20,245,130,614,465.54/5,164,115.06
  6. Step 6: Final answer
    x = 3,920,348.48

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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.