Home / 3,281,974.22-4,920,411.70-2,126,780.47

Finding the Fourth Proportional to 3,281,974.22, 4,920,411.70 and 2,126,780.47

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Solution

The fourth proportional to 3,281,974.22, 4,920,411.70 and 2,126,780.47 is: 3,188,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,974.22 : 4,920,411.70 = 2,126,780.47 : x
  2. Step 2: Convert to fraction form
    3,281,974.22/4,920,411.70 = 2,126,780.47/x
  3. Step 3: Cross multiply
    3,281,974.22x = 4,920,411.70 × 2,126,780.47
  4. Step 4: Simplify right side
    3,281,974.22x = 10,464,635,495,618.47
  5. Step 5: Solve for x
    x = 10,464,635,495,618.47/3,281,974.22
  6. Step 6: Final answer
    x = 3,188,518.50

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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.