Home / 3,115,933.72-4,300,706.01-1,827,189.43

Finding the Fourth Proportional to 3,115,933.72, 4,300,706.01 and 1,827,189.43

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Solution

The fourth proportional to 3,115,933.72, 4,300,706.01 and 1,827,189.43 is: 2,521,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,933.72 : 4,300,706.01 = 1,827,189.43 : x
  2. Step 2: Convert to fraction form
    3,115,933.72/4,300,706.01 = 1,827,189.43/x
  3. Step 3: Cross multiply
    3,115,933.72x = 4,300,706.01 × 1,827,189.43
  4. Step 4: Simplify right side
    3,115,933.72x = 7,858,204,563,009.47
  5. Step 5: Solve for x
    x = 7,858,204,563,009.47/3,115,933.72
  6. Step 6: Final answer
    x = 2,521,942.14

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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.