Home / 2,856,989.07-3,942,692.82-1,567,949.40

Finding the Fourth Proportional to 2,856,989.07, 3,942,692.82 and 1,567,949.40

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Solution

The fourth proportional to 2,856,989.07, 3,942,692.82 and 1,567,949.40 is: 2,163,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,989.07 : 3,942,692.82 = 1,567,949.40 : x
  2. Step 2: Convert to fraction form
    2,856,989.07/3,942,692.82 = 1,567,949.40/x
  3. Step 3: Cross multiply
    2,856,989.07x = 3,942,692.82 × 1,567,949.40
  4. Step 4: Simplify right side
    2,856,989.07x = 6,181,942,841,503.31
  5. Step 5: Solve for x
    x = 6,181,942,841,503.31/2,856,989.07
  6. Step 6: Final answer
    x = 2,163,796.46

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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.