Home / 3,456,785.70-4,769,651.93-1,986,410.25

Finding the Fourth Proportional to 3,456,785.70, 4,769,651.93 and 1,986,410.25

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Solution

The fourth proportional to 3,456,785.70, 4,769,651.93 and 1,986,410.25 is: 2,740,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,785.70 : 4,769,651.93 = 1,986,410.25 : x
  2. Step 2: Convert to fraction form
    3,456,785.70/4,769,651.93 = 1,986,410.25/x
  3. Step 3: Cross multiply
    3,456,785.70x = 4,769,651.93 × 1,986,410.25
  4. Step 4: Simplify right side
    3,456,785.70x = 9,474,485,472,752.23
  5. Step 5: Solve for x
    x = 9,474,485,472,752.23/3,456,785.70
  6. Step 6: Final answer
    x = 2,740,836.80

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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.