Home / 2,738,608.77-3,778,950.82-1,577,432.68

Finding the Fourth Proportional to 2,738,608.77, 3,778,950.82 and 1,577,432.68

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Solution

The fourth proportional to 2,738,608.77, 3,778,950.82 and 1,577,432.68 is: 2,176,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,608.77 : 3,778,950.82 = 1,577,432.68 : x
  2. Step 2: Convert to fraction form
    2,738,608.77/3,778,950.82 = 1,577,432.68/x
  3. Step 3: Cross multiply
    2,738,608.77x = 3,778,950.82 × 1,577,432.68
  4. Step 4: Simplify right side
    2,738,608.77x = 5,961,040,519,580.80
  5. Step 5: Solve for x
    x = 5,961,040,519,580.80/2,738,608.77
  6. Step 6: Final answer
    x = 2,176,667.43

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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.