Home / 3,181,474.69-4,390,398.16-1,731,145.14

Finding the Fourth Proportional to 3,181,474.69, 4,390,398.16 and 1,731,145.14

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Solution

The fourth proportional to 3,181,474.69, 4,390,398.16 and 1,731,145.14 is: 2,388,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,474.69 : 4,390,398.16 = 1,731,145.14 : x
  2. Step 2: Convert to fraction form
    3,181,474.69/4,390,398.16 = 1,731,145.14/x
  3. Step 3: Cross multiply
    3,181,474.69x = 4,390,398.16 × 1,731,145.14
  4. Step 4: Simplify right side
    3,181,474.69x = 7,600,416,433,021.08
  5. Step 5: Solve for x
    x = 7,600,416,433,021.08/3,181,474.69
  6. Step 6: Final answer
    x = 2,388,960.21

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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.