Home / 6,631,485-9,947,226.96-1,839,174.21

Finding the Fourth Proportional to 6,631,485, 9,947,226.96 and 1,839,174.21

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Solution

The fourth proportional to 6,631,485, 9,947,226.96 and 1,839,174.21 is: 2,758,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,485 : 9,947,226.96 = 1,839,174.21 : x
  2. Step 2: Convert to fraction form
    6,631,485/9,947,226.96 = 1,839,174.21/x
  3. Step 3: Cross multiply
    6,631,485x = 9,947,226.96 × 1,839,174.21
  4. Step 4: Simplify right side
    6,631,485x = 18,294,683,285,848.70
  5. Step 5: Solve for x
    x = 18,294,683,285,848.70/6,631,485
  6. Step 6: Final answer
    x = 2,758,761.17

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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.