Home / 3,844,785.60-5,767,696.80-1,321,214.40

Finding the Fourth Proportional to 3,844,785.60, 5,767,696.80 and 1,321,214.40

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Solution

The fourth proportional to 3,844,785.60, 5,767,696.80 and 1,321,214.40 is: 1,981,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844,785.60 : 5,767,696.80 = 1,321,214.40 : x
  2. Step 2: Convert to fraction form
    3,844,785.60/5,767,696.80 = 1,321,214.40/x
  3. Step 3: Cross multiply
    3,844,785.60x = 5,767,696.80 × 1,321,214.40
  4. Step 4: Simplify right side
    3,844,785.60x = 7,620,364,066,993.92
  5. Step 5: Solve for x
    x = 7,620,364,066,993.92/3,844,785.60
  6. Step 6: Final answer
    x = 1,981,999.74

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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.