Home / 2,189,808.60-3,282,477.30-1,479,908.40

Finding the Fourth Proportional to 2,189,808.60, 3,282,477.30 and 1,479,908.40

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Solution

The fourth proportional to 2,189,808.60, 3,282,477.30 and 1,479,908.40 is: 2,218,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,808.60 : 3,282,477.30 = 1,479,908.40 : x
  2. Step 2: Convert to fraction form
    2,189,808.60/3,282,477.30 = 1,479,908.40/x
  3. Step 3: Cross multiply
    2,189,808.60x = 3,282,477.30 × 1,479,908.40
  4. Step 4: Simplify right side
    2,189,808.60x = 4,857,765,729,079.32
  5. Step 5: Solve for x
    x = 4,857,765,729,079.32/2,189,808.60
  6. Step 6: Final answer
    x = 2,218,351.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.