Home / 2,858,038.89-3,944,078.15-1,568,901.21

Finding the Fourth Proportional to 2,858,038.89, 3,944,078.15 and 1,568,901.21

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Solution

The fourth proportional to 2,858,038.89, 3,944,078.15 and 1,568,901.21 is: 2,165,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,038.89 : 3,944,078.15 = 1,568,901.21 : x
  2. Step 2: Convert to fraction form
    2,858,038.89/3,944,078.15 = 1,568,901.21/x
  3. Step 3: Cross multiply
    2,858,038.89x = 3,944,078.15 × 1,568,901.21
  4. Step 4: Simplify right side
    2,858,038.89x = 6,187,868,981,869.56
  5. Step 5: Solve for x
    x = 6,187,868,981,869.56/2,858,038.89
  6. Step 6: Final answer
    x = 2,165,075.15

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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.