Home / 3,281,974.34-4,920,411.89-2,126,780.60

Finding the Fourth Proportional to 3,281,974.34, 4,920,411.89 and 2,126,780.60

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Solution

The fourth proportional to 3,281,974.34, 4,920,411.89 and 2,126,780.60 is: 3,188,518.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,974.34 : 4,920,411.89 = 2,126,780.60 : x
  2. Step 2: Convert to fraction form
    3,281,974.34/4,920,411.89 = 2,126,780.60/x
  3. Step 3: Cross multiply
    3,281,974.34x = 4,920,411.89 × 2,126,780.60
  4. Step 4: Simplify right side
    3,281,974.34x = 10,464,636,516,425.37
  5. Step 5: Solve for x
    x = 10,464,636,516,425.37/3,281,974.34
  6. Step 6: Final answer
    x = 3,188,518.69

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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.