Home / 3,171,994.88-4,377,357.32-1,721,690.60

Finding the Fourth Proportional to 3,171,994.88, 4,377,357.32 and 1,721,690.60

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Solution

The fourth proportional to 3,171,994.88, 4,377,357.32 and 1,721,690.60 is: 2,375,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,994.88 : 4,377,357.32 = 1,721,690.60 : x
  2. Step 2: Convert to fraction form
    3,171,994.88/4,377,357.32 = 1,721,690.60/x
  3. Step 3: Cross multiply
    3,171,994.88x = 4,377,357.32 × 1,721,690.60
  4. Step 4: Simplify right side
    3,171,994.88x = 7,536,454,920,189.95
  5. Step 5: Solve for x
    x = 7,536,454,920,189.95/3,171,994.88
  6. Step 6: Final answer
    x = 2,375,935.40

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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.