Home / 4,890,906.20-7,336,359.30-2,499,421.70

Finding the Fourth Proportional to 4,890,906.20, 7,336,359.30 and 2,499,421.70

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Solution

The fourth proportional to 4,890,906.20, 7,336,359.30 and 2,499,421.70 is: 3,749,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,906.20 : 7,336,359.30 = 2,499,421.70 : x
  2. Step 2: Convert to fraction form
    4,890,906.20/7,336,359.30 = 2,499,421.70/x
  3. Step 3: Cross multiply
    4,890,906.20x = 7,336,359.30 × 2,499,421.70
  4. Step 4: Simplify right side
    4,890,906.20x = 18,336,655,633,416.81
  5. Step 5: Solve for x
    x = 18,336,655,633,416.81/4,890,906.20
  6. Step 6: Final answer
    x = 3,749,132.55

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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.