Home / 3,525,723.78-4,865,500.89-1,916,091.78

Finding the Fourth Proportional to 3,525,723.78, 4,865,500.89 and 1,916,091.78

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Solution

The fourth proportional to 3,525,723.78, 4,865,500.89 and 1,916,091.78 is: 2,644,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525,723.78 : 4,865,500.89 = 1,916,091.78 : x
  2. Step 2: Convert to fraction form
    3,525,723.78/4,865,500.89 = 1,916,091.78/x
  3. Step 3: Cross multiply
    3,525,723.78x = 4,865,500.89 × 1,916,091.78
  4. Step 4: Simplify right side
    3,525,723.78x = 9,322,746,260,911.68
  5. Step 5: Solve for x
    x = 9,322,746,260,911.68/3,525,723.78
  6. Step 6: Final answer
    x = 2,644,207.78

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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.