Home / 2,131,830.40-3,194,246.40-1,816,902.40

Finding the Fourth Proportional to 2,131,830.40, 3,194,246.40 and 1,816,902.40

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Solution

The fourth proportional to 2,131,830.40, 3,194,246.40 and 1,816,902.40 is: 2,722,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,830.40 : 3,194,246.40 = 1,816,902.40 : x
  2. Step 2: Convert to fraction form
    2,131,830.40/3,194,246.40 = 1,816,902.40/x
  3. Step 3: Cross multiply
    2,131,830.40x = 3,194,246.40 × 1,816,902.40
  4. Step 4: Simplify right side
    2,131,830.40x = 5,803,633,950,351.36
  5. Step 5: Solve for x
    x = 5,803,633,950,351.36/2,131,830.40
  6. Step 6: Final answer
    x = 2,722,371.32

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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.