Home / 5,209,504.17-7,189,020.60-2,886,388.21

Finding the Fourth Proportional to 5,209,504.17, 7,189,020.60 and 2,886,388.21

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Solution

The fourth proportional to 5,209,504.17, 7,189,020.60 and 2,886,388.21 is: 3,983,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,504.17 : 7,189,020.60 = 2,886,388.21 : x
  2. Step 2: Convert to fraction form
    5,209,504.17/7,189,020.60 = 2,886,388.21/x
  3. Step 3: Cross multiply
    5,209,504.17x = 7,189,020.60 × 2,886,388.21
  4. Step 4: Simplify right side
    5,209,504.17x = 20,750,304,339,963.49
  5. Step 5: Solve for x
    x = 20,750,304,339,963.49/5,209,504.17
  6. Step 6: Final answer
    x = 3,983,163.02

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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.