Home / 3,120,219.48-4,306,000.86-1,762,179.96

Finding the Fourth Proportional to 3,120,219.48, 4,306,000.86 and 1,762,179.96

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Solution

The fourth proportional to 3,120,219.48, 4,306,000.86 and 1,762,179.96 is: 2,431,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,219.48 : 4,306,000.86 = 1,762,179.96 : x
  2. Step 2: Convert to fraction form
    3,120,219.48/4,306,000.86 = 1,762,179.96/x
  3. Step 3: Cross multiply
    3,120,219.48x = 4,306,000.86 × 1,762,179.96
  4. Step 4: Simplify right side
    3,120,219.48x = 7,587,948,423,234.77
  5. Step 5: Solve for x
    x = 7,587,948,423,234.77/3,120,219.48
  6. Step 6: Final answer
    x = 2,431,863.68

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1.5x scale

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.