Home / 2,863,834-3,951,989.76-1,574,665.36

Finding the Fourth Proportional to 2,863,834, 3,951,989.76 and 1,574,665.36

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Solution

The fourth proportional to 2,863,834, 3,951,989.76 and 1,574,665.36 is: 2,172,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863,834 : 3,951,989.76 = 1,574,665.36 : x
  2. Step 2: Convert to fraction form
    2,863,834/3,951,989.76 = 1,574,665.36/x
  3. Step 3: Cross multiply
    2,863,834x = 3,951,989.76 × 1,574,665.36
  4. Step 4: Simplify right side
    2,863,834x = 6,223,061,378,146.71
  5. Step 5: Solve for x
    x = 6,223,061,378,146.71/2,863,834
  6. Step 6: Final answer
    x = 2,172,982.57

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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.