Home / 2,820,928.36-4,231,687.78-927,817.42

Finding the Fourth Proportional to 2,820,928.36, 4,231,687.78 and 927,817.42

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Solution

The fourth proportional to 2,820,928.36, 4,231,687.78 and 927,817.42 is: 1,391,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,928.36 : 4,231,687.78 = 927,817.42 : x
  2. Step 2: Convert to fraction form
    2,820,928.36/4,231,687.78 = 927,817.42/x
  3. Step 3: Cross multiply
    2,820,928.36x = 4,231,687.78 × 927,817.42
  4. Step 4: Simplify right side
    2,820,928.36x = 3,926,233,638,285.13
  5. Step 5: Solve for x
    x = 3,926,233,638,285.13/2,820,928.36
  6. Step 6: Final answer
    x = 1,391,823.24

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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.