Home / 3,881,646.36-5,356,693.89-2,251,021.86

Finding the Fourth Proportional to 3,881,646.36, 5,356,693.89 and 2,251,021.86

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Solution

The fourth proportional to 3,881,646.36, 5,356,693.89 and 2,251,021.86 is: 3,106,422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,646.36 : 5,356,693.89 = 2,251,021.86 : x
  2. Step 2: Convert to fraction form
    3,881,646.36/5,356,693.89 = 2,251,021.86/x
  3. Step 3: Cross multiply
    3,881,646.36x = 5,356,693.89 × 2,251,021.86
  4. Step 4: Simplify right side
    3,881,646.36x = 12,058,035,043,718.43
  5. Step 5: Solve for x
    x = 12,058,035,043,718.43/3,881,646.36
  6. Step 6: Final answer
    x = 3,106,422.87

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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.