Home / 3,785,087.68-5,222,722.38-2,153,399.80

Finding the Fourth Proportional to 3,785,087.68, 5,222,722.38 and 2,153,399.80

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Solution

The fourth proportional to 3,785,087.68, 5,222,722.38 and 2,153,399.80 is: 2,971,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,087.68 : 5,222,722.38 = 2,153,399.80 : x
  2. Step 2: Convert to fraction form
    3,785,087.68/5,222,722.38 = 2,153,399.80/x
  3. Step 3: Cross multiply
    3,785,087.68x = 5,222,722.38 × 2,153,399.80
  4. Step 4: Simplify right side
    3,785,087.68x = 11,246,609,328,547.52
  5. Step 5: Solve for x
    x = 11,246,609,328,547.52/3,785,087.68
  6. Step 6: Final answer
    x = 2,971,294.27

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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.