Home / 1,755,169.32-2,422,121.62-980,802.13

Finding the Fourth Proportional to 1,755,169.32, 2,422,121.62 and 980,802.13

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Solution

The fourth proportional to 1,755,169.32, 2,422,121.62 and 980,802.13 is: 1,353,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,169.32 : 2,422,121.62 = 980,802.13 : x
  2. Step 2: Convert to fraction form
    1,755,169.32/2,422,121.62 = 980,802.13/x
  3. Step 3: Cross multiply
    1,755,169.32x = 2,422,121.62 × 980,802.13
  4. Step 4: Simplify right side
    1,755,169.32x = 2,375,622,039,111.04
  5. Step 5: Solve for x
    x = 2,375,622,039,111.04/1,755,169.32
  6. Step 6: Final answer
    x = 1,353,500.21

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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.