Home / 3,579,449.59-4,939,641.17-1,969,817.59

Finding the Fourth Proportional to 3,579,449.59, 4,939,641.17 and 1,969,817.59

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Solution

The fourth proportional to 3,579,449.59, 4,939,641.17 and 1,969,817.59 is: 2,718,348.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,449.59 : 4,939,641.17 = 1,969,817.59 : x
  2. Step 2: Convert to fraction form
    3,579,449.59/4,939,641.17 = 1,969,817.59/x
  3. Step 3: Cross multiply
    3,579,449.59x = 4,939,641.17 × 1,969,817.59
  4. Step 4: Simplify right side
    3,579,449.59x = 9,730,192,064,954.18
  5. Step 5: Solve for x
    x = 9,730,192,064,954.18/3,579,449.59
  6. Step 6: Final answer
    x = 2,718,348.68

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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.