Home / 1,500,942.35-2,071,613.27-1,379,891.90

Finding the Fourth Proportional to 1,500,942.35, 2,071,613.27 and 1,379,891.90

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Solution

The fourth proportional to 1,500,942.35, 2,071,613.27 and 1,379,891.90 is: 1,904,538.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,942.35 : 2,071,613.27 = 1,379,891.90 : x
  2. Step 2: Convert to fraction form
    1,500,942.35/2,071,613.27 = 1,379,891.90/x
  3. Step 3: Cross multiply
    1,500,942.35x = 2,071,613.27 × 1,379,891.90
  4. Step 4: Simplify right side
    1,500,942.35x = 2,858,602,379,834.28
  5. Step 5: Solve for x
    x = 2,858,602,379,834.28/1,500,942.35
  6. Step 6: Final answer
    x = 1,904,538.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.