Home / 6,271,942.78-9,407,915.79-1,784,218.78

Finding the Fourth Proportional to 6,271,942.78, 9,407,915.79 and 1,784,218.78

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Solution

The fourth proportional to 6,271,942.78, 9,407,915.79 and 1,784,218.78 is: 2,676,328.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271,942.78 : 9,407,915.79 = 1,784,218.78 : x
  2. Step 2: Convert to fraction form
    6,271,942.78/9,407,915.79 = 1,784,218.78/x
  3. Step 3: Cross multiply
    6,271,942.78x = 9,407,915.79 × 1,784,218.78
  4. Step 4: Simplify right side
    6,271,942.78x = 16,785,780,033,176.54
  5. Step 5: Solve for x
    x = 16,785,780,033,176.54/6,271,942.78
  6. Step 6: Final answer
    x = 2,676,328.63

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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.