Home / 4,228,126.74-6,342,172.23-1,531,819.78

Finding the Fourth Proportional to 4,228,126.74, 6,342,172.23 and 1,531,819.78

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Solution

The fourth proportional to 4,228,126.74, 6,342,172.23 and 1,531,819.78 is: 2,297,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228,126.74 : 6,342,172.23 = 1,531,819.78 : x
  2. Step 2: Convert to fraction form
    4,228,126.74/6,342,172.23 = 1,531,819.78/x
  3. Step 3: Cross multiply
    4,228,126.74x = 6,342,172.23 × 1,531,819.78
  4. Step 4: Simplify right side
    4,228,126.74x = 9,715,064,870,080.71
  5. Step 5: Solve for x
    x = 9,715,064,870,080.71/4,228,126.74
  6. Step 6: Final answer
    x = 2,297,723.19

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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.