Home / 3,830,885.37-5,286,558.83-2,112,165.81

Finding the Fourth Proportional to 3,830,885.37, 5,286,558.83 and 2,112,165.81

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Solution

The fourth proportional to 3,830,885.37, 5,286,558.83 and 2,112,165.81 is: 2,914,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,885.37 : 5,286,558.83 = 2,112,165.81 : x
  2. Step 2: Convert to fraction form
    3,830,885.37/5,286,558.83 = 2,112,165.81/x
  3. Step 3: Cross multiply
    3,830,885.37x = 5,286,558.83 × 2,112,165.81
  4. Step 4: Simplify right side
    3,830,885.37x = 11,166,088,802,718.77
  5. Step 5: Solve for x
    x = 11,166,088,802,718.77/3,830,885.37
  6. Step 6: Final answer
    x = 2,914,754.09

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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.