Home / 1,979,021.28-2,970,451.52-955,072.16

Finding the Fourth Proportional to 1,979,021.28, 2,970,451.52 and 955,072.16

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Solution

The fourth proportional to 1,979,021.28, 2,970,451.52 and 955,072.16 is: 1,433,534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,021.28 : 2,970,451.52 = 955,072.16 : x
  2. Step 2: Convert to fraction form
    1,979,021.28/2,970,451.52 = 955,072.16/x
  3. Step 3: Cross multiply
    1,979,021.28x = 2,970,451.52 × 955,072.16
  4. Step 4: Simplify right side
    1,979,021.28x = 2,836,995,529,754.07
  5. Step 5: Solve for x
    x = 2,836,995,529,754.07/1,979,021.28
  6. Step 6: Final answer
    x = 1,433,534.63

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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.