Home / 3,413,918.32-5,121,640.09-1,284,020.89

Finding the Fourth Proportional to 3,413,918.32, 5,121,640.09 and 1,284,020.89

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Solution

The fourth proportional to 3,413,918.32, 5,121,640.09 and 1,284,020.89 is: 1,926,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,918.32 : 5,121,640.09 = 1,284,020.89 : x
  2. Step 2: Convert to fraction form
    3,413,918.32/5,121,640.09 = 1,284,020.89/x
  3. Step 3: Cross multiply
    3,413,918.32x = 5,121,640.09 × 1,284,020.89
  4. Step 4: Simplify right side
    3,413,918.32x = 6,576,292,866,621.48
  5. Step 5: Solve for x
    x = 6,576,292,866,621.48/3,413,918.32
  6. Step 6: Final answer
    x = 1,926,318.16

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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.