Home / 3,780,729.84-5,214,458.28-2,422,729.20

Finding the Fourth Proportional to 3,780,729.84, 5,214,458.28 and 2,422,729.20

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Solution

The fourth proportional to 3,780,729.84, 5,214,458.28 and 2,422,729.20 is: 3,341,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,729.84 : 5,214,458.28 = 2,422,729.20 : x
  2. Step 2: Convert to fraction form
    3,780,729.84/5,214,458.28 = 2,422,729.20/x
  3. Step 3: Cross multiply
    3,780,729.84x = 5,214,458.28 × 2,422,729.20
  4. Step 4: Simplify right side
    3,780,729.84x = 12,633,220,337,137.78
  5. Step 5: Solve for x
    x = 12,633,220,337,137.78/3,780,729.84
  6. Step 6: Final answer
    x = 3,341,476.61

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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.