Home / 3,942,507.09-5,440,628.12-2,288,807.65

Finding the Fourth Proportional to 3,942,507.09, 5,440,628.12 and 2,288,807.65

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Solution

The fourth proportional to 3,942,507.09, 5,440,628.12 and 2,288,807.65 is: 3,158,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,507.09 : 5,440,628.12 = 2,288,807.65 : x
  2. Step 2: Convert to fraction form
    3,942,507.09/5,440,628.12 = 2,288,807.65/x
  3. Step 3: Cross multiply
    3,942,507.09x = 5,440,628.12 × 2,288,807.65
  4. Step 4: Simplify right side
    3,942,507.09x = 12,452,551,257,217.87
  5. Step 5: Solve for x
    x = 12,452,551,257,217.87/3,942,507.09
  6. Step 6: Final answer
    x = 3,158,536.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.