Home / 5,172,371.20-7,759,200.93-1,760,395.60

Finding the Fourth Proportional to 5,172,371.20, 7,759,200.93 and 1,760,395.60

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Solution

The fourth proportional to 5,172,371.20, 7,759,200.93 and 1,760,395.60 is: 2,640,812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,371.20 : 7,759,200.93 = 1,760,395.60 : x
  2. Step 2: Convert to fraction form
    5,172,371.20/7,759,200.93 = 1,760,395.60/x
  3. Step 3: Cross multiply
    5,172,371.20x = 7,759,200.93 × 1,760,395.60
  4. Step 4: Simplify right side
    5,172,371.20x = 13,659,263,176,687.91
  5. Step 5: Solve for x
    x = 13,659,263,176,687.91/5,172,371.20
  6. Step 6: Final answer
    x = 2,640,812.63

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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.