Home / 3,994,144.92-5,511,920.67-2,158,597.17

Finding the Fourth Proportional to 3,994,144.92, 5,511,920.67 and 2,158,597.17

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Solution

The fourth proportional to 3,994,144.92, 5,511,920.67 and 2,158,597.17 is: 2,978,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,144.92 : 5,511,920.67 = 2,158,597.17 : x
  2. Step 2: Convert to fraction form
    3,994,144.92/5,511,920.67 = 2,158,597.17/x
  3. Step 3: Cross multiply
    3,994,144.92x = 5,511,920.67 × 2,158,597.17
  4. Step 4: Simplify right side
    3,994,144.92x = 11,898,016,359,526.50
  5. Step 5: Solve for x
    x = 11,898,016,359,526.50/3,994,144.92
  6. Step 6: Final answer
    x = 2,978,864.46

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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.