Home / 5,518,671.92-8,279,009.04-2,280,215.76

Finding the Fourth Proportional to 5,518,671.92, 8,279,009.04 and 2,280,215.76

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Solution

The fourth proportional to 5,518,671.92, 8,279,009.04 and 2,280,215.76 is: 3,420,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,671.92 : 8,279,009.04 = 2,280,215.76 : x
  2. Step 2: Convert to fraction form
    5,518,671.92/8,279,009.04 = 2,280,215.76/x
  3. Step 3: Cross multiply
    5,518,671.92x = 8,279,009.04 × 2,280,215.76
  4. Step 4: Simplify right side
    5,518,671.92x = 18,877,926,890,190.47
  5. Step 5: Solve for x
    x = 18,877,926,890,190.47/5,518,671.92
  6. Step 6: Final answer
    x = 3,420,737.30

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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.