Home / 2,758,745.95-4,139,049.19-1,221,531.50

Finding the Fourth Proportional to 2,758,745.95, 4,139,049.19 and 1,221,531.50

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Solution

The fourth proportional to 2,758,745.95, 4,139,049.19 and 1,221,531.50 is: 1,832,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,745.95 : 4,139,049.19 = 1,221,531.50 : x
  2. Step 2: Convert to fraction form
    2,758,745.95/4,139,049.19 = 1,221,531.50/x
  3. Step 3: Cross multiply
    2,758,745.95x = 4,139,049.19 × 1,221,531.50
  4. Step 4: Simplify right side
    2,758,745.95x = 5,055,978,955,116.47
  5. Step 5: Solve for x
    x = 5,055,978,955,116.47/2,758,745.95
  6. Step 6: Final answer
    x = 1,832,709.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.