Home / 2,746,883.10-4,120,951.05-853,815.90

Finding the Fourth Proportional to 2,746,883.10, 4,120,951.05 and 853,815.90

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Solution

The fourth proportional to 2,746,883.10, 4,120,951.05 and 853,815.90 is: 1,280,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,883.10 : 4,120,951.05 = 853,815.90 : x
  2. Step 2: Convert to fraction form
    2,746,883.10/4,120,951.05 = 853,815.90/x
  3. Step 3: Cross multiply
    2,746,883.10x = 4,120,951.05 × 853,815.90
  4. Step 4: Simplify right side
    2,746,883.10x = 3,518,533,529,611.70
  5. Step 5: Solve for x
    x = 3,518,533,529,611.70/2,746,883.10
  6. Step 6: Final answer
    x = 1,280,918.55

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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.