Home / 2,752,081.60-4,128,122.40-1,618,340.80

Finding the Fourth Proportional to 2,752,081.60, 4,128,122.40 and 1,618,340.80

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Solution

The fourth proportional to 2,752,081.60, 4,128,122.40 and 1,618,340.80 is: 2,427,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,081.60 : 4,128,122.40 = 1,618,340.80 : x
  2. Step 2: Convert to fraction form
    2,752,081.60/4,128,122.40 = 1,618,340.80/x
  3. Step 3: Cross multiply
    2,752,081.60x = 4,128,122.40 × 1,618,340.80
  4. Step 4: Simplify right side
    2,752,081.60x = 6,680,708,907,313.92
  5. Step 5: Solve for x
    x = 6,680,708,907,313.92/2,752,081.60
  6. Step 6: Final answer
    x = 2,427,511.20

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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.