Home / 3,990,626.40-5,982,440.40-2,393,824.80

Finding the Fourth Proportional to 3,990,626.40, 5,982,440.40 and 2,393,824.80

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Solution

The fourth proportional to 3,990,626.40, 5,982,440.40 and 2,393,824.80 is: 3,588,638.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,626.40 : 5,982,440.40 = 2,393,824.80 : x
  2. Step 2: Convert to fraction form
    3,990,626.40/5,982,440.40 = 2,393,824.80/x
  3. Step 3: Cross multiply
    3,990,626.40x = 5,982,440.40 × 2,393,824.80
  4. Step 4: Simplify right side
    3,990,626.40x = 14,320,914,194,041.92
  5. Step 5: Solve for x
    x = 14,320,914,194,041.92/3,990,626.40
  6. Step 6: Final answer
    x = 3,588,638.16

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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.