Home / 2,856,987.69-3,942,756.54-1,567,874.52

Finding the Fourth Proportional to 2,856,987.69, 3,942,756.54 and 1,567,874.52

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Solution

The fourth proportional to 2,856,987.69, 3,942,756.54 and 1,567,874.52 is: 2,163,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,987.69 : 3,942,756.54 = 1,567,874.52 : x
  2. Step 2: Convert to fraction form
    2,856,987.69/3,942,756.54 = 1,567,874.52/x
  3. Step 3: Cross multiply
    2,856,987.69x = 3,942,756.54 × 1,567,874.52
  4. Step 4: Simplify right side
    2,856,987.69x = 6,181,747,517,629.36
  5. Step 5: Solve for x
    x = 6,181,747,517,629.36/2,856,987.69
  6. Step 6: Final answer
    x = 2,163,729.14

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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.