Home / 5,177,894.94-7,766,835.69-1,391,377.90

Finding the Fourth Proportional to 5,177,894.94, 7,766,835.69 and 1,391,377.90

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Solution

The fourth proportional to 5,177,894.94, 7,766,835.69 and 1,391,377.90 is: 2,087,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,894.94 : 7,766,835.69 = 1,391,377.90 : x
  2. Step 2: Convert to fraction form
    5,177,894.94/7,766,835.69 = 1,391,377.90/x
  3. Step 3: Cross multiply
    5,177,894.94x = 7,766,835.69 × 1,391,377.90
  4. Step 4: Simplify right side
    5,177,894.94x = 10,806,603,531,997.25
  5. Step 5: Solve for x
    x = 10,806,603,531,997.25/5,177,894.94
  6. Step 6: Final answer
    x = 2,087,065.04

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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.