Home / 2,115,283.96-3,172,920.54-767,443.96

Finding the Fourth Proportional to 2,115,283.96, 3,172,920.54 and 767,443.96

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Solution

The fourth proportional to 2,115,283.96, 3,172,920.54 and 767,443.96 is: 1,151,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,283.96 : 3,172,920.54 = 767,443.96 : x
  2. Step 2: Convert to fraction form
    2,115,283.96/3,172,920.54 = 767,443.96/x
  3. Step 3: Cross multiply
    2,115,283.96x = 3,172,920.54 × 767,443.96
  4. Step 4: Simplify right side
    2,115,283.96x = 2,435,038,703,982.94
  5. Step 5: Solve for x
    x = 2,435,038,703,982.94/2,115,283.96
  6. Step 6: Final answer
    x = 1,151,163.98

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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.