Home / 2,198,021.61-3,033,269.55-1,338,581.64

Finding the Fourth Proportional to 2,198,021.61, 3,033,269.55 and 1,338,581.64

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Solution

The fourth proportional to 2,198,021.61, 3,033,269.55 and 1,338,581.64 is: 1,847,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,021.61 : 3,033,269.55 = 1,338,581.64 : x
  2. Step 2: Convert to fraction form
    2,198,021.61/3,033,269.55 = 1,338,581.64/x
  3. Step 3: Cross multiply
    2,198,021.61x = 3,033,269.55 × 1,338,581.64
  4. Step 4: Simplify right side
    2,198,021.61x = 4,060,278,928,801.06
  5. Step 5: Solve for x
    x = 4,060,278,928,801.06/2,198,021.61
  6. Step 6: Final answer
    x = 1,847,242.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.