Home / 6,174,146.80-9,261,220.20-1,686,422.80

Finding the Fourth Proportional to 6,174,146.80, 9,261,220.20 and 1,686,422.80

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Solution

The fourth proportional to 6,174,146.80, 9,261,220.20 and 1,686,422.80 is: 2,529,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174,146.80 : 9,261,220.20 = 1,686,422.80 : x
  2. Step 2: Convert to fraction form
    6,174,146.80/9,261,220.20 = 1,686,422.80/x
  3. Step 3: Cross multiply
    6,174,146.80x = 9,261,220.20 × 1,686,422.80
  4. Step 4: Simplify right side
    6,174,146.80x = 15,618,332,901,100.56
  5. Step 5: Solve for x
    x = 15,618,332,901,100.56/6,174,146.80
  6. Step 6: Final answer
    x = 2,529,634.20

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Double scale
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Similar ratio
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1.5x scale

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.