Home / 2,867,511.90-3,957,015.84-1,578,105.84

Finding the Fourth Proportional to 2,867,511.90, 3,957,015.84 and 1,578,105.84

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Solution

The fourth proportional to 2,867,511.90, 3,957,015.84 and 1,578,105.84 is: 2,177,703.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,511.90 : 3,957,015.84 = 1,578,105.84 : x
  2. Step 2: Convert to fraction form
    2,867,511.90/3,957,015.84 = 1,578,105.84/x
  3. Step 3: Cross multiply
    2,867,511.90x = 3,957,015.84 × 1,578,105.84
  4. Step 4: Simplify right side
    2,867,511.90x = 6,244,589,806,076.51
  5. Step 5: Solve for x
    x = 6,244,589,806,076.51/2,867,511.90
  6. Step 6: Final answer
    x = 2,177,703.19

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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.