Home / 2,086,076.70-3,128,337.45-823,643.10

Finding the Fourth Proportional to 2,086,076.70, 3,128,337.45 and 823,643.10

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Solution

The fourth proportional to 2,086,076.70, 3,128,337.45 and 823,643.10 is: 1,235,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,076.70 : 3,128,337.45 = 823,643.10 : x
  2. Step 2: Convert to fraction form
    2,086,076.70/3,128,337.45 = 823,643.10/x
  3. Step 3: Cross multiply
    2,086,076.70x = 3,128,337.45 × 823,643.10
  4. Step 4: Simplify right side
    2,086,076.70x = 2,576,633,555,164.10
  5. Step 5: Solve for x
    x = 2,576,633,555,164.10/2,086,076.70
  6. Step 6: Final answer
    x = 1,235,157.63

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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.