Home / 3,500,125.75-4,830,176.78-1,890,493.75

Finding the Fourth Proportional to 3,500,125.75, 4,830,176.78 and 1,890,493.75

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Solution

The fourth proportional to 3,500,125.75, 4,830,176.78 and 1,890,493.75 is: 2,608,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,125.75 : 4,830,176.78 = 1,890,493.75 : x
  2. Step 2: Convert to fraction form
    3,500,125.75/4,830,176.78 = 1,890,493.75/x
  3. Step 3: Cross multiply
    3,500,125.75x = 4,830,176.78 × 1,890,493.75
  4. Step 4: Simplify right side
    3,500,125.75x = 9,131,419,013,985.13
  5. Step 5: Solve for x
    x = 9,131,419,013,985.13/3,500,125.75
  6. Step 6: Final answer
    x = 2,608,883.13

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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.