Home / 2,588,797.20-3,884,945.28-905,915.28

Finding the Fourth Proportional to 2,588,797.20, 3,884,945.28 and 905,915.28

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Solution

The fourth proportional to 2,588,797.20, 3,884,945.28 and 905,915.28 is: 1,359,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588,797.20 : 3,884,945.28 = 905,915.28 : x
  2. Step 2: Convert to fraction form
    2,588,797.20/3,884,945.28 = 905,915.28/x
  3. Step 3: Cross multiply
    2,588,797.20x = 3,884,945.28 × 905,915.28
  4. Step 4: Simplify right side
    2,588,797.20x = 3,519,431,291,115.88
  5. Step 5: Solve for x
    x = 3,519,431,291,115.88/2,588,797.20
  6. Step 6: Final answer
    x = 1,359,485.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.