Home / 2,856,971.76-3,942,734.85-1,567,858.38

Finding the Fourth Proportional to 2,856,971.76, 3,942,734.85 and 1,567,858.38

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Solution

The fourth proportional to 2,856,971.76, 3,942,734.85 and 1,567,858.38 is: 2,163,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,971.76 : 3,942,734.85 = 1,567,858.38 : x
  2. Step 2: Convert to fraction form
    2,856,971.76/3,942,734.85 = 1,567,858.38/x
  3. Step 3: Cross multiply
    2,856,971.76x = 3,942,734.85 × 1,567,858.38
  4. Step 4: Simplify right side
    2,856,971.76x = 6,181,649,874,690.54
  5. Step 5: Solve for x
    x = 6,181,649,874,690.54/2,856,971.76
  6. Step 6: Final answer
    x = 2,163,707.03

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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.