Home / 2,661,000.40-3,991,792.20-2,577,019.60

Finding the Fourth Proportional to 2,661,000.40, 3,991,792.20 and 2,577,019.60

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Solution

The fourth proportional to 2,661,000.40, 3,991,792.20 and 2,577,019.60 is: 3,865,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,000.40 : 3,991,792.20 = 2,577,019.60 : x
  2. Step 2: Convert to fraction form
    2,661,000.40/3,991,792.20 = 2,577,019.60/x
  3. Step 3: Cross multiply
    2,661,000.40x = 3,991,792.20 × 2,577,019.60
  4. Step 4: Simplify right side
    2,661,000.40x = 10,286,926,738,527.12
  5. Step 5: Solve for x
    x = 10,286,926,738,527.12/2,661,000.40
  6. Step 6: Final answer
    x = 3,865,811.80

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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.