Home / 2,647,557.72-3,973,464.45-1,368,539.78

Finding the Fourth Proportional to 2,647,557.72, 3,973,464.45 and 1,368,539.78

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Solution

The fourth proportional to 2,647,557.72, 3,973,464.45 and 1,368,539.78 is: 2,053,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,557.72 : 3,973,464.45 = 1,368,539.78 : x
  2. Step 2: Convert to fraction form
    2,647,557.72/3,973,464.45 = 1,368,539.78/x
  3. Step 3: Cross multiply
    2,647,557.72x = 3,973,464.45 × 1,368,539.78
  4. Step 4: Simplify right side
    2,647,557.72x = 5,437,844,144,373.50
  5. Step 5: Solve for x
    x = 5,437,844,144,373.50/2,647,557.72
  6. Step 6: Final answer
    x = 2,053,909.57

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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.