Home / 3,111,125.78-4,293,609.30-1,715,960.72

Finding the Fourth Proportional to 3,111,125.78, 4,293,609.30 and 1,715,960.72

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Solution

The fourth proportional to 3,111,125.78, 4,293,609.30 and 1,715,960.72 is: 2,368,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,125.78 : 4,293,609.30 = 1,715,960.72 : x
  2. Step 2: Convert to fraction form
    3,111,125.78/4,293,609.30 = 1,715,960.72/x
  3. Step 3: Cross multiply
    3,111,125.78x = 4,293,609.30 × 1,715,960.72
  4. Step 4: Simplify right side
    3,111,125.78x = 7,367,664,916,560.72
  5. Step 5: Solve for x
    x = 7,367,664,916,560.72/3,111,125.78
  6. Step 6: Final answer
    x = 2,368,166.84

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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.