Home / 6,631,855.86-9,947,783.76-1,839,545.13

Finding the Fourth Proportional to 6,631,855.86, 9,947,783.76 and 1,839,545.13

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Solution

The fourth proportional to 6,631,855.86, 9,947,783.76 and 1,839,545.13 is: 2,759,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,855.86 : 9,947,783.76 = 1,839,545.13 : x
  2. Step 2: Convert to fraction form
    6,631,855.86/9,947,783.76 = 1,839,545.13/x
  3. Step 3: Cross multiply
    6,631,855.86x = 9,947,783.76 × 1,839,545.13
  4. Step 4: Simplify right side
    6,631,855.86x = 18,299,397,170,001.09
  5. Step 5: Solve for x
    x = 18,299,397,170,001.09/6,631,855.86
  6. Step 6: Final answer
    x = 2,759,317.69

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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.