Home / 3,991,118.40-5,986,677.60-1,151,323.20

Finding the Fourth Proportional to 3,991,118.40, 5,986,677.60 and 1,151,323.20

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Solution

The fourth proportional to 3,991,118.40, 5,986,677.60 and 1,151,323.20 is: 1,726,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,118.40 : 5,986,677.60 = 1,151,323.20 : x
  2. Step 2: Convert to fraction form
    3,991,118.40/5,986,677.60 = 1,151,323.20/x
  3. Step 3: Cross multiply
    3,991,118.40x = 5,986,677.60 × 1,151,323.20
  4. Step 4: Simplify right side
    3,991,118.40x = 6,892,600,811,800.32
  5. Step 5: Solve for x
    x = 6,892,600,811,800.32/3,991,118.40
  6. Step 6: Final answer
    x = 1,726,984.80

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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.