Home / 5,432,878.70-8,149,318.05-3,280,542.65

Finding the Fourth Proportional to 5,432,878.70, 8,149,318.05 and 3,280,542.65

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Solution

The fourth proportional to 5,432,878.70, 8,149,318.05 and 3,280,542.65 is: 4,920,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,878.70 : 8,149,318.05 = 3,280,542.65 : x
  2. Step 2: Convert to fraction form
    5,432,878.70/8,149,318.05 = 3,280,542.65/x
  3. Step 3: Cross multiply
    5,432,878.70x = 8,149,318.05 × 3,280,542.65
  4. Step 4: Simplify right side
    5,432,878.70x = 26,734,185,431,439.83
  5. Step 5: Solve for x
    x = 26,734,185,431,439.83/5,432,878.70
  6. Step 6: Final answer
    x = 4,920,813.98

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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.