Home / 3,022,977.66-4,172,567.34-1,991,238.54

Finding the Fourth Proportional to 3,022,977.66, 4,172,567.34 and 1,991,238.54

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Solution

The fourth proportional to 3,022,977.66, 4,172,567.34 and 1,991,238.54 is: 2,748,474.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022,977.66 : 4,172,567.34 = 1,991,238.54 : x
  2. Step 2: Convert to fraction form
    3,022,977.66/4,172,567.34 = 1,991,238.54/x
  3. Step 3: Cross multiply
    3,022,977.66x = 4,172,567.34 × 1,991,238.54
  4. Step 4: Simplify right side
    3,022,977.66x = 8,308,576,898,153.28
  5. Step 5: Solve for x
    x = 8,308,576,898,153.28/3,022,977.66
  6. Step 6: Final answer
    x = 2,748,474.46

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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.