Home / 3,819,128.38-5,268,905.50-2,186,663.29

Finding the Fourth Proportional to 3,819,128.38, 5,268,905.50 and 2,186,663.29

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Solution

The fourth proportional to 3,819,128.38, 5,268,905.50 and 2,186,663.29 is: 3,016,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,128.38 : 5,268,905.50 = 2,186,663.29 : x
  2. Step 2: Convert to fraction form
    3,819,128.38/5,268,905.50 = 2,186,663.29/x
  3. Step 3: Cross multiply
    3,819,128.38x = 5,268,905.50 × 2,186,663.29
  4. Step 4: Simplify right side
    3,819,128.38x = 11,521,322,198,051.25
  5. Step 5: Solve for x
    x = 11,521,322,198,051.25/3,819,128.38
  6. Step 6: Final answer
    x = 3,016,741.27

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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.