Home / 1,882,065.20-2,821,510.76-816,304.55

Finding the Fourth Proportional to 1,882,065.20, 2,821,510.76 and 816,304.55

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Solution

The fourth proportional to 1,882,065.20, 2,821,510.76 and 816,304.55 is: 1,223,768.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,065.20 : 2,821,510.76 = 816,304.55 : x
  2. Step 2: Convert to fraction form
    1,882,065.20/2,821,510.76 = 816,304.55/x
  3. Step 3: Cross multiply
    1,882,065.20x = 2,821,510.76 × 816,304.55
  4. Step 4: Simplify right side
    1,882,065.20x = 2,303,212,053,072.88
  5. Step 5: Solve for x
    x = 2,303,212,053,072.88/1,882,065.20
  6. Step 6: Final answer
    x = 1,223,768.47

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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.