Home / 3,787,685.12-5,682,325.62-1,228,700.25

Finding the Fourth Proportional to 3,787,685.12, 5,682,325.62 and 1,228,700.25

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Solution

The fourth proportional to 3,787,685.12, 5,682,325.62 and 1,228,700.25 is: 1,843,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787,685.12 : 5,682,325.62 = 1,228,700.25 : x
  2. Step 2: Convert to fraction form
    3,787,685.12/5,682,325.62 = 1,228,700.25/x
  3. Step 3: Cross multiply
    3,787,685.12x = 5,682,325.62 × 1,228,700.25
  4. Step 4: Simplify right side
    3,787,685.12x = 6,981,874,909,875.41
  5. Step 5: Solve for x
    x = 6,981,874,909,875.41/3,787,685.12
  6. Step 6: Final answer
    x = 1,843,309.22

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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.