Home / 2,218,340.37-3,061,309.68-1,199,745.12

Finding the Fourth Proportional to 2,218,340.37, 3,061,309.68 and 1,199,745.12

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Solution

The fourth proportional to 2,218,340.37, 3,061,309.68 and 1,199,745.12 is: 1,655,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,340.37 : 3,061,309.68 = 1,199,745.12 : x
  2. Step 2: Convert to fraction form
    2,218,340.37/3,061,309.68 = 1,199,745.12/x
  3. Step 3: Cross multiply
    2,218,340.37x = 3,061,309.68 × 1,199,745.12
  4. Step 4: Simplify right side
    2,218,340.37x = 3,672,791,349,388.76
  5. Step 5: Solve for x
    x = 3,672,791,349,388.76/2,218,340.37
  6. Step 6: Final answer
    x = 1,655,648.25

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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.