Finding the Fourth Proportional to 6,631,484.88, 9,947,226.76 and 1,839,174.09
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Solution
The fourth proportional to 6,631,484.88, 9,947,226.76 and 1,839,174.09 is: 2,758,760.98
Step by Step Solution
- Step 1: Write the proportion equation
6,631,484.88 : 9,947,226.76 = 1,839,174.09 : x - Step 2: Convert to fraction form
6,631,484.88/9,947,226.76 = 1,839,174.09/x - Step 3: Cross multiply
6,631,484.88x = 9,947,226.76 × 1,839,174.09 - Step 4: Simplify right side
6,631,484.88x = 18,294,681,724,346.65 - Step 5: Solve for x
x = 18,294,681,724,346.65/6,631,484.88 - Step 6: Final answer
x = 2,758,760.98
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1.5x scale
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.