Home / 3,281,982.24-4,920,423.69-2,126,788.47

Finding the Fourth Proportional to 3,281,982.24, 4,920,423.69 and 2,126,788.47

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Solution

The fourth proportional to 3,281,982.24, 4,920,423.69 and 2,126,788.47 is: 3,188,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,982.24 : 4,920,423.69 = 2,126,788.47 : x
  2. Step 2: Convert to fraction form
    3,281,982.24/4,920,423.69 = 2,126,788.47/x
  3. Step 3: Cross multiply
    3,281,982.24x = 4,920,423.69 × 2,126,788.47
  4. Step 4: Simplify right side
    3,281,982.24x = 10,464,700,371,406.86
  5. Step 5: Solve for x
    x = 10,464,700,371,406.86/3,281,982.24
  6. Step 6: Final answer
    x = 3,188,530.47

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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.