Home / 1,882,261.71-2,823,515.45-1,378,330.83

Finding the Fourth Proportional to 1,882,261.71, 2,823,515.45 and 1,378,330.83

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Solution

The fourth proportional to 1,882,261.71, 2,823,515.45 and 1,378,330.83 is: 2,067,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,261.71 : 2,823,515.45 = 1,378,330.83 : x
  2. Step 2: Convert to fraction form
    1,882,261.71/2,823,515.45 = 1,378,330.83/x
  3. Step 3: Cross multiply
    1,882,261.71x = 2,823,515.45 × 1,378,330.83
  4. Step 4: Simplify right side
    1,882,261.71x = 3,891,738,386,824.67
  5. Step 5: Solve for x
    x = 3,891,738,386,824.67/1,882,261.71
  6. Step 6: Final answer
    x = 2,067,586.23

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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.