Home / 2,780,491.40-4,170,737.10-2,183,294.60

Finding the Fourth Proportional to 2,780,491.40, 4,170,737.10 and 2,183,294.60

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Solution

The fourth proportional to 2,780,491.40, 4,170,737.10 and 2,183,294.60 is: 3,274,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,491.40 : 4,170,737.10 = 2,183,294.60 : x
  2. Step 2: Convert to fraction form
    2,780,491.40/4,170,737.10 = 2,183,294.60/x
  3. Step 3: Cross multiply
    2,780,491.40x = 4,170,737.10 × 2,183,294.60
  4. Step 4: Simplify right side
    2,780,491.40x = 9,105,947,788,449.66
  5. Step 5: Solve for x
    x = 9,105,947,788,449.66/2,780,491.40
  6. Step 6: Final answer
    x = 3,274,941.90

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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.