Home / 4,380,890.20-6,571,335.30-3,105,431.80

Finding the Fourth Proportional to 4,380,890.20, 6,571,335.30 and 3,105,431.80

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Solution

The fourth proportional to 4,380,890.20, 6,571,335.30 and 3,105,431.80 is: 4,658,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380,890.20 : 6,571,335.30 = 3,105,431.80 : x
  2. Step 2: Convert to fraction form
    4,380,890.20/6,571,335.30 = 3,105,431.80/x
  3. Step 3: Cross multiply
    4,380,890.20x = 6,571,335.30 × 3,105,431.80
  4. Step 4: Simplify right side
    4,380,890.20x = 20,406,833,609,082.54
  5. Step 5: Solve for x
    x = 20,406,833,609,082.54/4,380,890.20
  6. Step 6: Final answer
    x = 4,658,147.70

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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.