Home / 2,136,661.38-2,948,584.82-1,218,888.88

Finding the Fourth Proportional to 2,136,661.38, 2,948,584.82 and 1,218,888.88

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Solution

The fourth proportional to 2,136,661.38, 2,948,584.82 and 1,218,888.88 is: 1,682,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,661.38 : 2,948,584.82 = 1,218,888.88 : x
  2. Step 2: Convert to fraction form
    2,136,661.38/2,948,584.82 = 1,218,888.88/x
  3. Step 3: Cross multiply
    2,136,661.38x = 2,948,584.82 × 1,218,888.88
  4. Step 4: Simplify right side
    2,136,661.38x = 3,593,997,248,834.80
  5. Step 5: Solve for x
    x = 3,593,997,248,834.80/2,136,661.38
  6. Step 6: Final answer
    x = 1,682,062.16

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1.5x scale

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.