Home / 1,938,250.56-2,674,811.12-1,067,186.55

Finding the Fourth Proportional to 1,938,250.56, 2,674,811.12 and 1,067,186.55

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Solution

The fourth proportional to 1,938,250.56, 2,674,811.12 and 1,067,186.55 is: 1,472,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,250.56 : 2,674,811.12 = 1,067,186.55 : x
  2. Step 2: Convert to fraction form
    1,938,250.56/2,674,811.12 = 1,067,186.55/x
  3. Step 3: Cross multiply
    1,938,250.56x = 2,674,811.12 × 1,067,186.55
  4. Step 4: Simplify right side
    1,938,250.56x = 2,854,522,451,054.44
  5. Step 5: Solve for x
    x = 2,854,522,451,054.44/1,938,250.56
  6. Step 6: Final answer
    x = 1,472,731.39

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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.