Home / 1,992,216.51-2,988,327.47-854,243.87

Finding the Fourth Proportional to 1,992,216.51, 2,988,327.47 and 854,243.87

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Solution

The fourth proportional to 1,992,216.51, 2,988,327.47 and 854,243.87 is: 1,281,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,216.51 : 2,988,327.47 = 854,243.87 : x
  2. Step 2: Convert to fraction form
    1,992,216.51/2,988,327.47 = 854,243.87/x
  3. Step 3: Cross multiply
    1,992,216.51x = 2,988,327.47 × 854,243.87
  4. Step 4: Simplify right side
    1,992,216.51x = 2,552,760,403,587.25
  5. Step 5: Solve for x
    x = 2,552,760,403,587.25/1,992,216.51
  6. Step 6: Final answer
    x = 1,281,366.96

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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.