Home / 3,448,315.85-4,758,823.49-1,920,422.97

Finding the Fourth Proportional to 3,448,315.85, 4,758,823.49 and 1,920,422.97

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Solution

The fourth proportional to 3,448,315.85, 4,758,823.49 and 1,920,422.97 is: 2,650,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,315.85 : 4,758,823.49 = 1,920,422.97 : x
  2. Step 2: Convert to fraction form
    3,448,315.85/4,758,823.49 = 1,920,422.97/x
  3. Step 3: Cross multiply
    3,448,315.85x = 4,758,823.49 × 1,920,422.97
  4. Step 4: Simplify right side
    3,448,315.85x = 9,138,953,930,769.45
  5. Step 5: Solve for x
    x = 9,138,953,930,769.45/3,448,315.85
  6. Step 6: Final answer
    x = 2,650,265.91

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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.