Home / 2,746,883.60-4,120,951.80-853,816.40

Finding the Fourth Proportional to 2,746,883.60, 4,120,951.80 and 853,816.40

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Solution

The fourth proportional to 2,746,883.60, 4,120,951.80 and 853,816.40 is: 1,280,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,883.60 : 4,120,951.80 = 853,816.40 : x
  2. Step 2: Convert to fraction form
    2,746,883.60/4,120,951.80 = 853,816.40/x
  3. Step 3: Cross multiply
    2,746,883.60x = 4,120,951.80 × 853,816.40
  4. Step 4: Simplify right side
    2,746,883.60x = 3,518,536,230,449.52
  5. Step 5: Solve for x
    x = 3,518,536,230,449.52/2,746,883.60
  6. Step 6: Final answer
    x = 1,280,919.30

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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.