Home / 3,651,812.88-5,039,811-2,020,616.88

Finding the Fourth Proportional to 3,651,812.88, 5,039,811 and 2,020,616.88

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Solution

The fourth proportional to 3,651,812.88, 5,039,811 and 2,020,616.88 is: 2,788,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651,812.88 : 5,039,811 = 2,020,616.88 : x
  2. Step 2: Convert to fraction form
    3,651,812.88/5,039,811 = 2,020,616.88/x
  3. Step 3: Cross multiply
    3,651,812.88x = 5,039,811 × 2,020,616.88
  4. Step 4: Simplify right side
    3,651,812.88x = 10,183,527,178,609.68
  5. Step 5: Solve for x
    x = 10,183,527,178,609.68/3,651,812.88
  6. Step 6: Final answer
    x = 2,788,622.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.