Home / 6,878,138.40-10,301,475.60-3,286,428.48

Finding the Fourth Proportional to 6,878,138.40, 10,301,475.60 and 3,286,428.48

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Solution

The fourth proportional to 6,878,138.40, 10,301,475.60 and 3,286,428.48 is: 4,922,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,138.40 : 10,301,475.60 = 3,286,428.48 : x
  2. Step 2: Convert to fraction form
    6,878,138.40/10,301,475.60 = 3,286,428.48/x
  3. Step 3: Cross multiply
    6,878,138.40x = 10,301,475.60 × 3,286,428.48
  4. Step 4: Simplify right side
    6,878,138.40x = 33,855,062,797,865.09
  5. Step 5: Solve for x
    x = 33,855,062,797,865.09/6,878,138.40
  6. Step 6: Final answer
    x = 4,922,125.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.