Home / 1,687,167.62-2,326,179.32-1,408,165.35

Finding the Fourth Proportional to 1,687,167.62, 2,326,179.32 and 1,408,165.35

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Solution

The fourth proportional to 1,687,167.62, 2,326,179.32 and 1,408,165.35 is: 1,941,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,167.62 : 2,326,179.32 = 1,408,165.35 : x
  2. Step 2: Convert to fraction form
    1,687,167.62/2,326,179.32 = 1,408,165.35/x
  3. Step 3: Cross multiply
    1,687,167.62x = 2,326,179.32 × 1,408,165.35
  4. Step 4: Simplify right side
    1,687,167.62x = 3,275,645,116,310.56
  5. Step 5: Solve for x
    x = 3,275,645,116,310.56/1,687,167.62
  6. Step 6: Final answer
    x = 1,941,505.44

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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.