Home / 2,820,927.11-4,231,685.90-927,816.17

Finding the Fourth Proportional to 2,820,927.11, 4,231,685.90 and 927,816.17

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Solution

The fourth proportional to 2,820,927.11, 4,231,685.90 and 927,816.17 is: 1,391,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,927.11 : 4,231,685.90 = 927,816.17 : x
  2. Step 2: Convert to fraction form
    2,820,927.11/4,231,685.90 = 927,816.17/x
  3. Step 3: Cross multiply
    2,820,927.11x = 4,231,685.90 × 927,816.17
  4. Step 4: Simplify right side
    2,820,927.11x = 3,926,226,585,542.11
  5. Step 5: Solve for x
    x = 3,926,226,585,542.11/2,820,927.11
  6. Step 6: Final answer
    x = 1,391,821.35

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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.