Home / 3,321,705.40-4,984,890.90-2,126,534.20

Finding the Fourth Proportional to 3,321,705.40, 4,984,890.90 and 2,126,534.20

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Solution

The fourth proportional to 3,321,705.40, 4,984,890.90 and 2,126,534.20 is: 3,191,294.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,705.40 : 4,984,890.90 = 2,126,534.20 : x
  2. Step 2: Convert to fraction form
    3,321,705.40/4,984,890.90 = 2,126,534.20/x
  3. Step 3: Cross multiply
    3,321,705.40x = 4,984,890.90 × 2,126,534.20
  4. Step 4: Simplify right side
    3,321,705.40x = 10,600,540,982,118.78
  5. Step 5: Solve for x
    x = 10,600,540,982,118.78/3,321,705.40
  6. Step 6: Final answer
    x = 3,191,294.74

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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.