Home / 3,678,512.76-5,073,471.81-2,389,768.38

Finding the Fourth Proportional to 3,678,512.76, 5,073,471.81 and 2,389,768.38

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Solution

The fourth proportional to 3,678,512.76, 5,073,471.81 and 2,389,768.38 is: 3,296,012.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,512.76 : 5,073,471.81 = 2,389,768.38 : x
  2. Step 2: Convert to fraction form
    3,678,512.76/5,073,471.81 = 2,389,768.38/x
  3. Step 3: Cross multiply
    3,678,512.76x = 5,073,471.81 × 2,389,768.38
  4. Step 4: Simplify right side
    3,678,512.76x = 12,124,422,508,359.37
  5. Step 5: Solve for x
    x = 12,124,422,508,359.37/3,678,512.76
  6. Step 6: Final answer
    x = 3,296,012.08

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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.