Home / 2,251,266.22-3,106,743.55-1,218,773.61

Finding the Fourth Proportional to 2,251,266.22, 3,106,743.55 and 1,218,773.61

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Solution

The fourth proportional to 2,251,266.22, 3,106,743.55 and 1,218,773.61 is: 1,681,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,266.22 : 3,106,743.55 = 1,218,773.61 : x
  2. Step 2: Convert to fraction form
    2,251,266.22/3,106,743.55 = 1,218,773.61/x
  3. Step 3: Cross multiply
    2,251,266.22x = 3,106,743.55 × 1,218,773.61
  4. Step 4: Simplify right side
    2,251,266.22x = 3,786,417,051,777.72
  5. Step 5: Solve for x
    x = 3,786,417,051,777.72/2,251,266.22
  6. Step 6: Final answer
    x = 1,681,905.51

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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.