Home / 1,756,975.78-2,419,597.92-1,647,493.20

Finding the Fourth Proportional to 1,756,975.78, 2,419,597.92 and 1,647,493.20

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Solution

The fourth proportional to 1,756,975.78, 2,419,597.92 and 1,647,493.20 is: 2,268,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,975.78 : 2,419,597.92 = 1,647,493.20 : x
  2. Step 2: Convert to fraction form
    1,756,975.78/2,419,597.92 = 1,647,493.20/x
  3. Step 3: Cross multiply
    1,756,975.78x = 2,419,597.92 × 1,647,493.20
  4. Step 4: Simplify right side
    1,756,975.78x = 3,986,271,119,934.14
  5. Step 5: Solve for x
    x = 3,986,271,119,934.14/1,756,975.78
  6. Step 6: Final answer
    x = 2,268,825.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.