Home / 2,857,081.47-3,942,648.39-1,567,943.37

Finding the Fourth Proportional to 2,857,081.47, 3,942,648.39 and 1,567,943.37

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Solution

The fourth proportional to 2,857,081.47, 3,942,648.39 and 1,567,943.37 is: 2,163,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,081.47 : 3,942,648.39 = 1,567,943.37 : x
  2. Step 2: Convert to fraction form
    2,857,081.47/3,942,648.39 = 1,567,943.37/x
  3. Step 3: Cross multiply
    2,857,081.47x = 3,942,648.39 × 1,567,943.37
  4. Step 4: Simplify right side
    2,857,081.47x = 6,181,849,403,341.68
  5. Step 5: Solve for x
    x = 6,181,849,403,341.68/2,857,081.47
  6. Step 6: Final answer
    x = 2,163,693.78

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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.