Home / 1,815,794.74-2,720,148.75-1,414,556.78

Finding the Fourth Proportional to 1,815,794.74, 2,720,148.75 and 1,414,556.78

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Solution

The fourth proportional to 1,815,794.74, 2,720,148.75 and 1,414,556.78 is: 2,119,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,794.74 : 2,720,148.75 = 1,414,556.78 : x
  2. Step 2: Convert to fraction form
    1,815,794.74/2,720,148.75 = 1,414,556.78/x
  3. Step 3: Cross multiply
    1,815,794.74x = 2,720,148.75 × 1,414,556.78
  4. Step 4: Simplify right side
    1,815,794.74x = 3,847,804,858,621.12
  5. Step 5: Solve for x
    x = 3,847,804,858,621.12/1,815,794.74
  6. Step 6: Final answer
    x = 2,119,074.80

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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.