Home / 4,005,690.42-6,007,884.39-1,309,974.78

Finding the Fourth Proportional to 4,005,690.42, 6,007,884.39 and 1,309,974.78

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Solution

The fourth proportional to 4,005,690.42, 6,007,884.39 and 1,309,974.78 is: 1,964,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005,690.42 : 6,007,884.39 = 1,309,974.78 : x
  2. Step 2: Convert to fraction form
    4,005,690.42/6,007,884.39 = 1,309,974.78/x
  3. Step 3: Cross multiply
    4,005,690.42x = 6,007,884.39 × 1,309,974.78
  4. Step 4: Simplify right side
    4,005,690.42x = 7,870,177,032,055.68
  5. Step 5: Solve for x
    x = 7,870,177,032,055.68/4,005,690.42
  6. Step 6: Final answer
    x = 1,964,749.20

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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.