Home / 3,280,523.70-4,920,785.55-3,170,298.90

Finding the Fourth Proportional to 3,280,523.70, 4,920,785.55 and 3,170,298.90

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Solution

The fourth proportional to 3,280,523.70, 4,920,785.55 and 3,170,298.90 is: 4,755,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,523.70 : 4,920,785.55 = 3,170,298.90 : x
  2. Step 2: Convert to fraction form
    3,280,523.70/4,920,785.55 = 3,170,298.90/x
  3. Step 3: Cross multiply
    3,280,523.70x = 4,920,785.55 × 3,170,298.90
  4. Step 4: Simplify right side
    3,280,523.70x = 15,600,361,016,300.89
  5. Step 5: Solve for x
    x = 15,600,361,016,300.89/3,280,523.70
  6. Step 6: Final answer
    x = 4,755,448.35

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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.