Home / 3,676,999.80-5,515,499.70-1,787,431.80

Finding the Fourth Proportional to 3,676,999.80, 5,515,499.70 and 1,787,431.80

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Solution

The fourth proportional to 3,676,999.80, 5,515,499.70 and 1,787,431.80 is: 2,681,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676,999.80 : 5,515,499.70 = 1,787,431.80 : x
  2. Step 2: Convert to fraction form
    3,676,999.80/5,515,499.70 = 1,787,431.80/x
  3. Step 3: Cross multiply
    3,676,999.80x = 5,515,499.70 × 1,787,431.80
  4. Step 4: Simplify right side
    3,676,999.80x = 9,858,579,556,670.46
  5. Step 5: Solve for x
    x = 9,858,579,556,670.46/3,676,999.80
  6. Step 6: Final answer
    x = 2,681,147.70

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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.