Home / 2,007,212.80-3,010,819.20-659,583.40

Finding the Fourth Proportional to 2,007,212.80, 3,010,819.20 and 659,583.40

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Solution

The fourth proportional to 2,007,212.80, 3,010,819.20 and 659,583.40 is: 989,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,212.80 : 3,010,819.20 = 659,583.40 : x
  2. Step 2: Convert to fraction form
    2,007,212.80/3,010,819.20 = 659,583.40/x
  3. Step 3: Cross multiply
    2,007,212.80x = 3,010,819.20 × 659,583.40
  4. Step 4: Simplify right side
    2,007,212.80x = 1,985,886,364,721.28
  5. Step 5: Solve for x
    x = 1,985,886,364,721.28/2,007,212.80
  6. Step 6: Final answer
    x = 989,375.10

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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.