Home / 5,452,021.20-8,178,031.80-4,389,139.20

Finding the Fourth Proportional to 5,452,021.20, 8,178,031.80 and 4,389,139.20

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Solution

The fourth proportional to 5,452,021.20, 8,178,031.80 and 4,389,139.20 is: 6,583,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452,021.20 : 8,178,031.80 = 4,389,139.20 : x
  2. Step 2: Convert to fraction form
    5,452,021.20/8,178,031.80 = 4,389,139.20/x
  3. Step 3: Cross multiply
    5,452,021.20x = 8,178,031.80 × 4,389,139.20
  4. Step 4: Simplify right side
    5,452,021.20x = 35,894,519,952,226.56
  5. Step 5: Solve for x
    x = 35,894,519,952,226.56/5,452,021.20
  6. Step 6: Final answer
    x = 6,583,708.80

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Double scale
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Similar ratio
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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.