Home / 3,828,282.90-5,282,988.06-2,174,418.78

Finding the Fourth Proportional to 3,828,282.90, 5,282,988.06 and 2,174,418.78

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Solution

The fourth proportional to 3,828,282.90, 5,282,988.06 and 2,174,418.78 is: 3,000,673.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,282.90 : 5,282,988.06 = 2,174,418.78 : x
  2. Step 2: Convert to fraction form
    3,828,282.90/5,282,988.06 = 2,174,418.78/x
  3. Step 3: Cross multiply
    3,828,282.90x = 5,282,988.06 × 2,174,418.78
  4. Step 4: Simplify right side
    3,828,282.90x = 11,487,428,452,179.77
  5. Step 5: Solve for x
    x = 11,487,428,452,179.77/3,828,282.90
  6. Step 6: Final answer
    x = 3,000,673.87

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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.