Home / 5,102,056.11-7,040,836.80-2,810,216.81

Finding the Fourth Proportional to 5,102,056.11, 7,040,836.80 and 2,810,216.81

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Solution

The fourth proportional to 5,102,056.11, 7,040,836.80 and 2,810,216.81 is: 3,878,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102,056.11 : 7,040,836.80 = 2,810,216.81 : x
  2. Step 2: Convert to fraction form
    5,102,056.11/7,040,836.80 = 2,810,216.81/x
  3. Step 3: Cross multiply
    5,102,056.11x = 7,040,836.80 × 2,810,216.81
  4. Step 4: Simplify right side
    5,102,056.11x = 19,786,277,896,622.43
  5. Step 5: Solve for x
    x = 19,786,277,896,622.43/5,102,056.11
  6. Step 6: Final answer
    x = 3,878,098.84

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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.