Home / 2,638,593.38-3,641,265.88-1,431,369.38

Finding the Fourth Proportional to 2,638,593.38, 3,641,265.88 and 1,431,369.38

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Solution

The fourth proportional to 2,638,593.38, 3,641,265.88 and 1,431,369.38 is: 1,975,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,593.38 : 3,641,265.88 = 1,431,369.38 : x
  2. Step 2: Convert to fraction form
    2,638,593.38/3,641,265.88 = 1,431,369.38/x
  3. Step 3: Cross multiply
    2,638,593.38x = 3,641,265.88 × 1,431,369.38
  4. Step 4: Simplify right side
    2,638,593.38x = 5,211,996,490,595.50
  5. Step 5: Solve for x
    x = 5,211,996,490,595.50/2,638,593.38
  6. Step 6: Final answer
    x = 1,975,293.55

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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.