Home / 3,981,401.60-5,972,102.40-1,322,009.60

Finding the Fourth Proportional to 3,981,401.60, 5,972,102.40 and 1,322,009.60

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Solution

The fourth proportional to 3,981,401.60, 5,972,102.40 and 1,322,009.60 is: 1,983,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,401.60 : 5,972,102.40 = 1,322,009.60 : x
  2. Step 2: Convert to fraction form
    3,981,401.60/5,972,102.40 = 1,322,009.60/x
  3. Step 3: Cross multiply
    3,981,401.60x = 5,972,102.40 × 1,322,009.60
  4. Step 4: Simplify right side
    3,981,401.60x = 7,895,176,704,983.04
  5. Step 5: Solve for x
    x = 7,895,176,704,983.04/3,981,401.60
  6. Step 6: Final answer
    x = 1,983,014.40

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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.