Home / 3,181,475.36-4,390,399.05-1,731,145.82

Finding the Fourth Proportional to 3,181,475.36, 4,390,399.05 and 1,731,145.82

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Solution

The fourth proportional to 3,181,475.36, 4,390,399.05 and 1,731,145.82 is: 2,388,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,475.36 : 4,390,399.05 = 1,731,145.82 : x
  2. Step 2: Convert to fraction form
    3,181,475.36/4,390,399.05 = 1,731,145.82/x
  3. Step 3: Cross multiply
    3,181,475.36x = 4,390,399.05 × 1,731,145.82
  4. Step 4: Simplify right side
    3,181,475.36x = 7,600,420,941,587.48
  5. Step 5: Solve for x
    x = 7,600,420,941,587.48/3,181,475.36
  6. Step 6: Final answer
    x = 2,388,961.12

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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.