Home / 2,874,913.60-4,310,815.20-1,192,187.20

Finding the Fourth Proportional to 2,874,913.60, 4,310,815.20 and 1,192,187.20

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Solution

The fourth proportional to 2,874,913.60, 4,310,815.20 and 1,192,187.20 is: 1,787,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,913.60 : 4,310,815.20 = 1,192,187.20 : x
  2. Step 2: Convert to fraction form
    2,874,913.60/4,310,815.20 = 1,192,187.20/x
  3. Step 3: Cross multiply
    2,874,913.60x = 4,310,815.20 × 1,192,187.20
  4. Step 4: Simplify right side
    2,874,913.60x = 5,139,298,703,005.44
  5. Step 5: Solve for x
    x = 5,139,298,703,005.44/2,874,913.60
  6. Step 6: Final answer
    x = 1,787,635.88

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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.