Home / 2,178,458.20-3,268,124.70-1,825,913.80

Finding the Fourth Proportional to 2,178,458.20, 3,268,124.70 and 1,825,913.80

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Solution

The fourth proportional to 2,178,458.20, 3,268,124.70 and 1,825,913.80 is: 2,739,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,458.20 : 3,268,124.70 = 1,825,913.80 : x
  2. Step 2: Convert to fraction form
    2,178,458.20/3,268,124.70 = 1,825,913.80/x
  3. Step 3: Cross multiply
    2,178,458.20x = 3,268,124.70 × 1,825,913.80
  4. Step 4: Simplify right side
    2,178,458.20x = 5,967,313,989,850.86
  5. Step 5: Solve for x
    x = 5,967,313,989,850.86/2,178,458.20
  6. Step 6: Final answer
    x = 2,739,237.31

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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.