Home / 2,156,965.20-3,234,281.40-894,920.40

Finding the Fourth Proportional to 2,156,965.20, 3,234,281.40 and 894,920.40

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Solution

The fourth proportional to 2,156,965.20, 3,234,281.40 and 894,920.40 is: 1,341,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,965.20 : 3,234,281.40 = 894,920.40 : x
  2. Step 2: Convert to fraction form
    2,156,965.20/3,234,281.40 = 894,920.40/x
  3. Step 3: Cross multiply
    2,156,965.20x = 3,234,281.40 × 894,920.40
  4. Step 4: Simplify right side
    2,156,965.20x = 2,894,424,404,200.56
  5. Step 5: Solve for x
    x = 2,894,424,404,200.56/2,156,965.20
  6. Step 6: Final answer
    x = 1,341,896.66

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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.