Home / 2,937,128.65-4,051,902.49-1,904,896.71

Finding the Fourth Proportional to 2,937,128.65, 4,051,902.49 and 1,904,896.71

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Solution

The fourth proportional to 2,937,128.65, 4,051,902.49 and 1,904,896.71 is: 2,627,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937,128.65 : 4,051,902.49 = 1,904,896.71 : x
  2. Step 2: Convert to fraction form
    2,937,128.65/4,051,902.49 = 1,904,896.71/x
  3. Step 3: Cross multiply
    2,937,128.65x = 4,051,902.49 × 1,904,896.71
  4. Step 4: Simplify right side
    2,937,128.65x = 7,718,455,717,679.57
  5. Step 5: Solve for x
    x = 7,718,455,717,679.57/2,937,128.65
  6. Step 6: Final answer
    x = 2,627,891.61

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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.