Home / 3,537,047.16-5,305,891.49-978,422.40

Finding the Fourth Proportional to 3,537,047.16, 5,305,891.49 and 978,422.40

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Solution

The fourth proportional to 3,537,047.16, 5,305,891.49 and 978,422.40 is: 1,467,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537,047.16 : 5,305,891.49 = 978,422.40 : x
  2. Step 2: Convert to fraction form
    3,537,047.16/5,305,891.49 = 978,422.40/x
  3. Step 3: Cross multiply
    3,537,047.16x = 5,305,891.49 × 978,422.40
  4. Step 4: Simplify right side
    3,537,047.16x = 5,191,403,085,785.38
  5. Step 5: Solve for x
    x = 5,191,403,085,785.38/3,537,047.16
  6. Step 6: Final answer
    x = 1,467,722.33

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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.