Home / 3,278,005.20-4,917,007.80-2,016,543.60

Finding the Fourth Proportional to 3,278,005.20, 4,917,007.80 and 2,016,543.60

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Solution

The fourth proportional to 3,278,005.20, 4,917,007.80 and 2,016,543.60 is: 3,024,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,005.20 : 4,917,007.80 = 2,016,543.60 : x
  2. Step 2: Convert to fraction form
    3,278,005.20/4,917,007.80 = 2,016,543.60/x
  3. Step 3: Cross multiply
    3,278,005.20x = 4,917,007.80 × 2,016,543.60
  4. Step 4: Simplify right side
    3,278,005.20x = 9,915,360,610,240.08
  5. Step 5: Solve for x
    x = 9,915,360,610,240.08/3,278,005.20
  6. Step 6: Final answer
    x = 3,024,815.40

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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.