Home / 3,914,743.15-5,402,333.87-2,172,674.94

Finding the Fourth Proportional to 3,914,743.15, 5,402,333.87 and 2,172,674.94

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Solution

The fourth proportional to 3,914,743.15, 5,402,333.87 and 2,172,674.94 is: 2,998,284.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,743.15 : 5,402,333.87 = 2,172,674.94 : x
  2. Step 2: Convert to fraction form
    3,914,743.15/5,402,333.87 = 2,172,674.94/x
  3. Step 3: Cross multiply
    3,914,743.15x = 5,402,333.87 × 2,172,674.94
  4. Step 4: Simplify right side
    3,914,743.15x = 11,737,515,416,862.22
  5. Step 5: Solve for x
    x = 11,737,515,416,862.22/3,914,743.15
  6. Step 6: Final answer
    x = 2,998,284.94

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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.