Home / 2,178,458.70-3,268,125.45-1,825,914.30

Finding the Fourth Proportional to 2,178,458.70, 3,268,125.45 and 1,825,914.30

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Solution

The fourth proportional to 2,178,458.70, 3,268,125.45 and 1,825,914.30 is: 2,739,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,458.70 : 3,268,125.45 = 1,825,914.30 : x
  2. Step 2: Convert to fraction form
    2,178,458.70/3,268,125.45 = 1,825,914.30/x
  3. Step 3: Cross multiply
    2,178,458.70x = 3,268,125.45 × 1,825,914.30
  4. Step 4: Simplify right side
    2,178,458.70x = 5,967,316,993,348.94
  5. Step 5: Solve for x
    x = 5,967,316,993,348.94/2,178,458.70
  6. Step 6: Final answer
    x = 2,739,238.06

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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.