Home / 3,280,121.60-4,920,182.40-2,013,843.20

Finding the Fourth Proportional to 3,280,121.60, 4,920,182.40 and 2,013,843.20

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Solution

The fourth proportional to 3,280,121.60, 4,920,182.40 and 2,013,843.20 is: 3,020,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,121.60 : 4,920,182.40 = 2,013,843.20 : x
  2. Step 2: Convert to fraction form
    3,280,121.60/4,920,182.40 = 2,013,843.20/x
  3. Step 3: Cross multiply
    3,280,121.60x = 4,920,182.40 × 2,013,843.20
  4. Step 4: Simplify right side
    3,280,121.60x = 9,908,475,868,999.68
  5. Step 5: Solve for x
    x = 9,908,475,868,999.68/3,280,121.60
  6. Step 6: Final answer
    x = 3,020,764.80

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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.