Home / 2,638,593.45-3,641,265.95-1,431,369.45

Finding the Fourth Proportional to 2,638,593.45, 3,641,265.95 and 1,431,369.45

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Solution

The fourth proportional to 2,638,593.45, 3,641,265.95 and 1,431,369.45 is: 1,975,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,593.45 : 3,641,265.95 = 1,431,369.45 : x
  2. Step 2: Convert to fraction form
    2,638,593.45/3,641,265.95 = 1,431,369.45/x
  3. Step 3: Cross multiply
    2,638,593.45x = 3,641,265.95 × 1,431,369.45
  4. Step 4: Simplify right side
    2,638,593.45x = 5,211,996,840,155.23
  5. Step 5: Solve for x
    x = 5,211,996,840,155.23/2,638,593.45
  6. Step 6: Final answer
    x = 1,975,293.63

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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.