Home / 3,990,505.70-5,507,794.88-2,613,049.38

Finding the Fourth Proportional to 3,990,505.70, 5,507,794.88 and 2,613,049.38

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Solution

The fourth proportional to 3,990,505.70, 5,507,794.88 and 2,613,049.38 is: 3,606,595.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,505.70 : 5,507,794.88 = 2,613,049.38 : x
  2. Step 2: Convert to fraction form
    3,990,505.70/5,507,794.88 = 2,613,049.38/x
  3. Step 3: Cross multiply
    3,990,505.70x = 5,507,794.88 × 2,613,049.38
  4. Step 4: Simplify right side
    3,990,505.70x = 14,392,139,996,351.17
  5. Step 5: Solve for x
    x = 14,392,139,996,351.17/3,990,505.70
  6. Step 6: Final answer
    x = 3,606,595.52

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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.