Home / 5,981,659.80-8,972,489.70-3,111,878.40

Finding the Fourth Proportional to 5,981,659.80, 8,972,489.70 and 3,111,878.40

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Solution

The fourth proportional to 5,981,659.80, 8,972,489.70 and 3,111,878.40 is: 4,667,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981,659.80 : 8,972,489.70 = 3,111,878.40 : x
  2. Step 2: Convert to fraction form
    5,981,659.80/8,972,489.70 = 3,111,878.40/x
  3. Step 3: Cross multiply
    5,981,659.80x = 8,972,489.70 × 3,111,878.40
  4. Step 4: Simplify right side
    5,981,659.80x = 27,921,296,891,652.48
  5. Step 5: Solve for x
    x = 27,921,296,891,652.48/5,981,659.80
  6. Step 6: Final answer
    x = 4,667,817.60

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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.