Home / 2,198,543.16-3,033,982.80-1,218,544.68

Finding the Fourth Proportional to 2,198,543.16, 3,033,982.80 and 1,218,544.68

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Solution

The fourth proportional to 2,198,543.16, 3,033,982.80 and 1,218,544.68 is: 1,681,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,543.16 : 3,033,982.80 = 1,218,544.68 : x
  2. Step 2: Convert to fraction form
    2,198,543.16/3,033,982.80 = 1,218,544.68/x
  3. Step 3: Cross multiply
    2,198,543.16x = 3,033,982.80 × 1,218,544.68
  4. Step 4: Simplify right side
    2,198,543.16x = 3,697,043,600,151.50
  5. Step 5: Solve for x
    x = 3,697,043,600,151.50/2,198,543.16
  6. Step 6: Final answer
    x = 1,681,587.91

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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.