Home / 2,689,000.10-4,033,500.15-1,271,824.10

Finding the Fourth Proportional to 2,689,000.10, 4,033,500.15 and 1,271,824.10

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Solution

The fourth proportional to 2,689,000.10, 4,033,500.15 and 1,271,824.10 is: 1,907,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,000.10 : 4,033,500.15 = 1,271,824.10 : x
  2. Step 2: Convert to fraction form
    2,689,000.10/4,033,500.15 = 1,271,824.10/x
  3. Step 3: Cross multiply
    2,689,000.10x = 4,033,500.15 × 1,271,824.10
  4. Step 4: Simplify right side
    2,689,000.10x = 5,129,902,698,123.62
  5. Step 5: Solve for x
    x = 5,129,902,698,123.62/2,689,000.10
  6. Step 6: Final answer
    x = 1,907,736.15

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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.