Home / 2,198,854.80-3,298,282.20-779,054.40

Finding the Fourth Proportional to 2,198,854.80, 3,298,282.20 and 779,054.40

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Solution

The fourth proportional to 2,198,854.80, 3,298,282.20 and 779,054.40 is: 1,168,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,854.80 : 3,298,282.20 = 779,054.40 : x
  2. Step 2: Convert to fraction form
    2,198,854.80/3,298,282.20 = 779,054.40/x
  3. Step 3: Cross multiply
    2,198,854.80x = 3,298,282.20 × 779,054.40
  4. Step 4: Simplify right side
    2,198,854.80x = 2,569,541,260,351.68
  5. Step 5: Solve for x
    x = 2,569,541,260,351.68/2,198,854.80
  6. Step 6: Final answer
    x = 1,168,581.60

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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.