Home / 2,021,031.80-3,028,915.20-821,553.02

Finding the Fourth Proportional to 2,021,031.80, 3,028,915.20 and 821,553.02

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Solution

The fourth proportional to 2,021,031.80, 3,028,915.20 and 821,553.02 is: 1,231,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,031.80 : 3,028,915.20 = 821,553.02 : x
  2. Step 2: Convert to fraction form
    2,021,031.80/3,028,915.20 = 821,553.02/x
  3. Step 3: Cross multiply
    2,021,031.80x = 3,028,915.20 × 821,553.02
  4. Step 4: Simplify right side
    2,021,031.80x = 2,488,414,429,883.90
  5. Step 5: Solve for x
    x = 2,488,414,429,883.90/2,021,031.80
  6. Step 6: Final answer
    x = 1,231,259.41

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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.