Home / 2,174,428.80-3,263,198.40-913,161.60

Finding the Fourth Proportional to 2,174,428.80, 3,263,198.40 and 913,161.60

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Solution

The fourth proportional to 2,174,428.80, 3,263,198.40 and 913,161.60 is: 1,370,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,428.80 : 3,263,198.40 = 913,161.60 : x
  2. Step 2: Convert to fraction form
    2,174,428.80/3,263,198.40 = 913,161.60/x
  3. Step 3: Cross multiply
    2,174,428.80x = 3,263,198.40 × 913,161.60
  4. Step 4: Simplify right side
    2,174,428.80x = 2,979,827,472,061.44
  5. Step 5: Solve for x
    x = 2,979,827,472,061.44/2,174,428.80
  6. Step 6: Final answer
    x = 1,370,395.51

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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.