Home / 3,868,171.18-5,337,763.84-2,236,684.16

Finding the Fourth Proportional to 3,868,171.18, 5,337,763.84 and 2,236,684.16

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Solution

The fourth proportional to 3,868,171.18, 5,337,763.84 and 2,236,684.16 is: 3,086,443.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,171.18 : 5,337,763.84 = 2,236,684.16 : x
  2. Step 2: Convert to fraction form
    3,868,171.18/5,337,763.84 = 2,236,684.16/x
  3. Step 3: Cross multiply
    3,868,171.18x = 5,337,763.84 × 2,236,684.16
  4. Step 4: Simplify right side
    3,868,171.18x = 11,938,891,830,748.78
  5. Step 5: Solve for x
    x = 11,938,891,830,748.78/3,868,171.18
  6. Step 6: Final answer
    x = 3,086,443.51

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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.