Home / 5,993,818.40-8,990,727.60-3,978,279.20

Finding the Fourth Proportional to 5,993,818.40, 8,990,727.60 and 3,978,279.20

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Solution

The fourth proportional to 5,993,818.40, 8,990,727.60 and 3,978,279.20 is: 5,967,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,993,818.40 : 8,990,727.60 = 3,978,279.20 : x
  2. Step 2: Convert to fraction form
    5,993,818.40/8,990,727.60 = 3,978,279.20/x
  3. Step 3: Cross multiply
    5,993,818.40x = 8,990,727.60 × 3,978,279.20
  4. Step 4: Simplify right side
    5,993,818.40x = 35,767,624,603,945.92
  5. Step 5: Solve for x
    x = 35,767,624,603,945.92/5,993,818.40
  6. Step 6: Final answer
    x = 5,967,418.80

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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.