Home / 3,260,423.70-4,890,851.55-864,234.90

Finding the Fourth Proportional to 3,260,423.70, 4,890,851.55 and 864,234.90

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Solution

The fourth proportional to 3,260,423.70, 4,890,851.55 and 864,234.90 is: 1,296,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,423.70 : 4,890,851.55 = 864,234.90 : x
  2. Step 2: Convert to fraction form
    3,260,423.70/4,890,851.55 = 864,234.90/x
  3. Step 3: Cross multiply
    3,260,423.70x = 4,890,851.55 × 864,234.90
  4. Step 4: Simplify right side
    3,260,423.70x = 4,226,844,600,229.10
  5. Step 5: Solve for x
    x = 4,226,844,600,229.10/3,260,423.70
  6. Step 6: Final answer
    x = 1,296,409.60

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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.