Home / 2,197,918.42-3,033,221.49-1,279,999.43

Finding the Fourth Proportional to 2,197,918.42, 3,033,221.49 and 1,279,999.43

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Solution

The fourth proportional to 2,197,918.42, 3,033,221.49 and 1,279,999.43 is: 1,766,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197,918.42 : 3,033,221.49 = 1,279,999.43 : x
  2. Step 2: Convert to fraction form
    2,197,918.42/3,033,221.49 = 1,279,999.43/x
  3. Step 3: Cross multiply
    2,197,918.42x = 3,033,221.49 × 1,279,999.43
  4. Step 4: Simplify right side
    2,197,918.42x = 3,882,521,778,263.75
  5. Step 5: Solve for x
    x = 3,882,521,778,263.75/2,197,918.42
  6. Step 6: Final answer
    x = 1,766,454.00

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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.