Home / 5,191,651.30-7,164,623.32-2,868,694.14

Finding the Fourth Proportional to 5,191,651.30, 7,164,623.32 and 2,868,694.14

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Solution

The fourth proportional to 5,191,651.30, 7,164,623.32 and 2,868,694.14 is: 3,958,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,651.30 : 7,164,623.32 = 2,868,694.14 : x
  2. Step 2: Convert to fraction form
    5,191,651.30/7,164,623.32 = 2,868,694.14/x
  3. Step 3: Cross multiply
    5,191,651.30x = 7,164,623.32 × 2,868,694.14
  4. Step 4: Simplify right side
    5,191,651.30x = 20,553,112,933,391.35
  5. Step 5: Solve for x
    x = 20,553,112,933,391.35/5,191,651.30
  6. Step 6: Final answer
    x = 3,958,877.77

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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.