Home / 3,553,029.20-5,327,988.60-1,422,405.20

Finding the Fourth Proportional to 3,553,029.20, 5,327,988.60 and 1,422,405.20

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Solution

The fourth proportional to 3,553,029.20, 5,327,988.60 and 1,422,405.20 is: 2,132,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,029.20 : 5,327,988.60 = 1,422,405.20 : x
  2. Step 2: Convert to fraction form
    3,553,029.20/5,327,988.60 = 1,422,405.20/x
  3. Step 3: Cross multiply
    3,553,029.20x = 5,327,988.60 × 1,422,405.20
  4. Step 4: Simplify right side
    3,553,029.20x = 7,578,558,690,180.72
  5. Step 5: Solve for x
    x = 7,578,558,690,180.72/3,553,029.20
  6. Step 6: Final answer
    x = 2,132,985.20

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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.