Home / 3,181,576.32-4,390,487.01-1,731,238.11

Finding the Fourth Proportional to 3,181,576.32, 4,390,487.01 and 1,731,238.11

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Solution

The fourth proportional to 3,181,576.32, 4,390,487.01 and 1,731,238.11 is: 2,389,060.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,576.32 : 4,390,487.01 = 1,731,238.11 : x
  2. Step 2: Convert to fraction form
    3,181,576.32/4,390,487.01 = 1,731,238.11/x
  3. Step 3: Cross multiply
    3,181,576.32x = 4,390,487.01 × 1,731,238.11
  4. Step 4: Simplify right side
    3,181,576.32x = 7,600,978,433,171.95
  5. Step 5: Solve for x
    x = 7,600,978,433,171.95/3,181,576.32
  6. Step 6: Final answer
    x = 2,389,060.54

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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.