Home / 3,986,112.70-5,979,169.05-1,856,412.10

Finding the Fourth Proportional to 3,986,112.70, 5,979,169.05 and 1,856,412.10

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Solution

The fourth proportional to 3,986,112.70, 5,979,169.05 and 1,856,412.10 is: 2,784,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,112.70 : 5,979,169.05 = 1,856,412.10 : x
  2. Step 2: Convert to fraction form
    3,986,112.70/5,979,169.05 = 1,856,412.10/x
  3. Step 3: Cross multiply
    3,986,112.70x = 5,979,169.05 × 1,856,412.10
  4. Step 4: Simplify right side
    3,986,112.70x = 11,099,801,772,365.51
  5. Step 5: Solve for x
    x = 11,099,801,772,365.51/3,986,112.70
  6. Step 6: Final answer
    x = 2,784,618.15

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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.