Home / 3,412,146.87-4,708,754.37-1,961,772.21

Finding the Fourth Proportional to 3,412,146.87, 4,708,754.37 and 1,961,772.21

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Solution

The fourth proportional to 3,412,146.87, 4,708,754.37 and 1,961,772.21 is: 2,707,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,146.87 : 4,708,754.37 = 1,961,772.21 : x
  2. Step 2: Convert to fraction form
    3,412,146.87/4,708,754.37 = 1,961,772.21/x
  3. Step 3: Cross multiply
    3,412,146.87x = 4,708,754.37 × 1,961,772.21
  4. Step 4: Simplify right side
    3,412,146.87x = 9,237,503,466,782.06
  5. Step 5: Solve for x
    x = 9,237,503,466,782.06/3,412,146.87
  6. Step 6: Final answer
    x = 2,707,240.87

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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.