Home / 1,882,071.70-2,821,520.54-816,311.10

Finding the Fourth Proportional to 1,882,071.70, 2,821,520.54 and 816,311.10

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Solution

The fourth proportional to 1,882,071.70, 2,821,520.54 and 816,311.10 is: 1,223,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,071.70 : 2,821,520.54 = 816,311.10 : x
  2. Step 2: Convert to fraction form
    1,882,071.70/2,821,520.54 = 816,311.10/x
  3. Step 3: Cross multiply
    1,882,071.70x = 2,821,520.54 × 816,311.10
  4. Step 4: Simplify right side
    1,882,071.70x = 2,303,238,535,679.99
  5. Step 5: Solve for x
    x = 2,303,238,535,679.99/1,882,071.70
  6. Step 6: Final answer
    x = 1,223,778.32

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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.