Home / 1,986,664.60-2,977,923.30-1,086,722.20

Finding the Fourth Proportional to 1,986,664.60, 2,977,923.30 and 1,086,722.20

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Solution

The fourth proportional to 1,986,664.60, 2,977,923.30 and 1,086,722.20 is: 1,628,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,664.60 : 2,977,923.30 = 1,086,722.20 : x
  2. Step 2: Convert to fraction form
    1,986,664.60/2,977,923.30 = 1,086,722.20/x
  3. Step 3: Cross multiply
    1,986,664.60x = 2,977,923.30 × 1,086,722.20
  4. Step 4: Simplify right side
    1,986,664.60x = 3,236,175,360,007.26
  5. Step 5: Solve for x
    x = 3,236,175,360,007.26/1,986,664.60
  6. Step 6: Final answer
    x = 1,628,949.02

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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.