Home / 1,942,275.15-2,682,032.13-1,218,367.20

Finding the Fourth Proportional to 1,942,275.15, 2,682,032.13 and 1,218,367.20

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Solution

The fourth proportional to 1,942,275.15, 2,682,032.13 and 1,218,367.20 is: 1,682,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,275.15 : 2,682,032.13 = 1,218,367.20 : x
  2. Step 2: Convert to fraction form
    1,942,275.15/2,682,032.13 = 1,218,367.20/x
  3. Step 3: Cross multiply
    1,942,275.15x = 2,682,032.13 × 1,218,367.20
  4. Step 4: Simplify right side
    1,942,275.15x = 3,267,699,976,538.14
  5. Step 5: Solve for x
    x = 3,267,699,976,538.14/1,942,275.15
  6. Step 6: Final answer
    x = 1,682,408.37

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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.