Home / 6,821,141-9,412,843.62-3,880,681.16

Finding the Fourth Proportional to 6,821,141, 9,412,843.62 and 3,880,681.16

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Solution

The fourth proportional to 6,821,141, 9,412,843.62 and 3,880,681.16 is: 5,355,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,141 : 9,412,843.62 = 3,880,681.16 : x
  2. Step 2: Convert to fraction form
    6,821,141/9,412,843.62 = 3,880,681.16/x
  3. Step 3: Cross multiply
    6,821,141x = 9,412,843.62 × 3,880,681.16
  4. Step 4: Simplify right side
    6,821,141x = 36,528,244,898,160.20
  5. Step 5: Solve for x
    x = 36,528,244,898,160.20/6,821,141
  6. Step 6: Final answer
    x = 5,355,151.71

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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.