Home / 2,676,456.80-4,011,574.80-1,078,229.60

Finding the Fourth Proportional to 2,676,456.80, 4,011,574.80 and 1,078,229.60

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Solution

The fourth proportional to 2,676,456.80, 4,011,574.80 and 1,078,229.60 is: 1,616,091.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,456.80 : 4,011,574.80 = 1,078,229.60 : x
  2. Step 2: Convert to fraction form
    2,676,456.80/4,011,574.80 = 1,078,229.60/x
  3. Step 3: Cross multiply
    2,676,456.80x = 4,011,574.80 × 1,078,229.60
  4. Step 4: Simplify right side
    2,676,456.80x = 4,325,398,691,974.08
  5. Step 5: Solve for x
    x = 4,325,398,691,974.08/2,676,456.80
  6. Step 6: Final answer
    x = 1,616,091.35

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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.