Home / 3,218,904.18-4,440,989.12-1,994,763.06

Finding the Fourth Proportional to 3,218,904.18, 4,440,989.12 and 1,994,763.06

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Solution

The fourth proportional to 3,218,904.18, 4,440,989.12 and 1,994,763.06 is: 2,752,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,904.18 : 4,440,989.12 = 1,994,763.06 : x
  2. Step 2: Convert to fraction form
    3,218,904.18/4,440,989.12 = 1,994,763.06/x
  3. Step 3: Cross multiply
    3,218,904.18x = 4,440,989.12 × 1,994,763.06
  4. Step 4: Simplify right side
    3,218,904.18x = 8,858,721,036,464.09
  5. Step 5: Solve for x
    x = 8,858,721,036,464.09/3,218,904.18
  6. Step 6: Final answer
    x = 2,752,092.18

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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.