Home / 3,914,768.61-5,402,369.72-2,172,701.00

Finding the Fourth Proportional to 3,914,768.61, 5,402,369.72 and 2,172,701.00

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Solution

The fourth proportional to 3,914,768.61, 5,402,369.72 and 2,172,701.00 is: 2,998,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,768.61 : 5,402,369.72 = 2,172,701.00 : x
  2. Step 2: Convert to fraction form
    3,914,768.61/5,402,369.72 = 2,172,701.00/x
  3. Step 3: Cross multiply
    3,914,768.61x = 5,402,369.72 × 2,172,701.00
  4. Step 4: Simplify right side
    3,914,768.61x = 11,737,734,111,951.40
  5. Step 5: Solve for x
    x = 11,737,734,111,951.40/3,914,768.61
  6. Step 6: Final answer
    x = 2,998,321.30

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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.