Home / 2,856,868.54-3,942,538.80-1,567,697.66

Finding the Fourth Proportional to 2,856,868.54, 3,942,538.80 and 1,567,697.66

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Solution

The fourth proportional to 2,856,868.54, 3,942,538.80 and 1,567,697.66 is: 2,163,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,868.54 : 3,942,538.80 = 1,567,697.66 : x
  2. Step 2: Convert to fraction form
    2,856,868.54/3,942,538.80 = 1,567,697.66/x
  3. Step 3: Cross multiply
    2,856,868.54x = 3,942,538.80 × 1,567,697.66
  4. Step 4: Simplify right side
    2,856,868.54x = 6,180,708,851,219.21
  5. Step 5: Solve for x
    x = 6,180,708,851,219.21/2,856,868.54
  6. Step 6: Final answer
    x = 2,163,455.81

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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.