Home / 1,882,121.42-2,821,595.03-816,361.09

Finding the Fourth Proportional to 1,882,121.42, 2,821,595.03 and 816,361.09

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Solution

The fourth proportional to 1,882,121.42, 2,821,595.03 and 816,361.09 is: 1,223,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,121.42 : 2,821,595.03 = 816,361.09 : x
  2. Step 2: Convert to fraction form
    1,882,121.42/2,821,595.03 = 816,361.09/x
  3. Step 3: Cross multiply
    1,882,121.42x = 2,821,595.03 × 816,361.09
  4. Step 4: Simplify right side
    1,882,121.42x = 2,303,440,386,154.94
  5. Step 5: Solve for x
    x = 2,303,440,386,154.94/1,882,121.42
  6. Step 6: Final answer
    x = 1,223,853.23

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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.