Home / 3,553,193.20-5,328,234.60-1,422,569.20

Finding the Fourth Proportional to 3,553,193.20, 5,328,234.60 and 1,422,569.20

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Solution

The fourth proportional to 3,553,193.20, 5,328,234.60 and 1,422,569.20 is: 2,133,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553,193.20 : 5,328,234.60 = 1,422,569.20 : x
  2. Step 2: Convert to fraction form
    3,553,193.20/5,328,234.60 = 1,422,569.20/x
  3. Step 3: Cross multiply
    3,553,193.20x = 5,328,234.60 × 1,422,569.20
  4. Step 4: Simplify right side
    3,553,193.20x = 7,579,782,432,334.32
  5. Step 5: Solve for x
    x = 7,579,782,432,334.32/3,553,193.20
  6. Step 6: Final answer
    x = 2,133,231.15

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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.