Home / 5,348,278.28-8,022,979.80-1,561,771.80

Finding the Fourth Proportional to 5,348,278.28, 8,022,979.80 and 1,561,771.80

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Solution

The fourth proportional to 5,348,278.28, 8,022,979.80 and 1,561,771.80 is: 2,342,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348,278.28 : 8,022,979.80 = 1,561,771.80 : x
  2. Step 2: Convert to fraction form
    5,348,278.28/8,022,979.80 = 1,561,771.80/x
  3. Step 3: Cross multiply
    5,348,278.28x = 8,022,979.80 × 1,561,771.80
  4. Step 4: Simplify right side
    5,348,278.28x = 12,530,063,603,609.64
  5. Step 5: Solve for x
    x = 12,530,063,603,609.64/5,348,278.28
  6. Step 6: Final answer
    x = 2,342,821.92

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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.