Home / 2,948,972.31-4,067,485.51-1,968,416.96

Finding the Fourth Proportional to 2,948,972.31, 4,067,485.51 and 1,968,416.96

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Solution

The fourth proportional to 2,948,972.31, 4,067,485.51 and 1,968,416.96 is: 2,715,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,972.31 : 4,067,485.51 = 1,968,416.96 : x
  2. Step 2: Convert to fraction form
    2,948,972.31/4,067,485.51 = 1,968,416.96/x
  3. Step 3: Cross multiply
    2,948,972.31x = 4,067,485.51 × 1,968,416.96
  4. Step 4: Simplify right side
    2,948,972.31x = 8,006,507,456,368.61
  5. Step 5: Solve for x
    x = 8,006,507,456,368.61/2,948,972.31
  6. Step 6: Final answer
    x = 2,715,016.15

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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.