Home / 3,941,186.43-5,438,833.52-2,130,350.43

Finding the Fourth Proportional to 3,941,186.43, 5,438,833.52 and 2,130,350.43

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Solution

The fourth proportional to 3,941,186.43, 5,438,833.52 and 2,130,350.43 is: 2,939,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,186.43 : 5,438,833.52 = 2,130,350.43 : x
  2. Step 2: Convert to fraction form
    3,941,186.43/5,438,833.52 = 2,130,350.43/x
  3. Step 3: Cross multiply
    3,941,186.43x = 5,438,833.52 × 2,130,350.43
  4. Step 4: Simplify right side
    3,941,186.43x = 11,586,621,317,378.66
  5. Step 5: Solve for x
    x = 11,586,621,317,378.66/3,941,186.43
  6. Step 6: Final answer
    x = 2,939,881.56

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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.