Home / 2,918,942.91-4,376,944.41-972,982.51

Finding the Fourth Proportional to 2,918,942.91, 4,376,944.41 and 972,982.51

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Solution

The fourth proportional to 2,918,942.91, 4,376,944.41 and 972,982.51 is: 1,458,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,942.91 : 4,376,944.41 = 972,982.51 : x
  2. Step 2: Convert to fraction form
    2,918,942.91/4,376,944.41 = 972,982.51/x
  3. Step 3: Cross multiply
    2,918,942.91x = 4,376,944.41 × 972,982.51
  4. Step 4: Simplify right side
    2,918,942.91x = 4,258,690,358,172.27
  5. Step 5: Solve for x
    x = 4,258,690,358,172.27/2,918,942.91
  6. Step 6: Final answer
    x = 1,458,983.78

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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.