Finding the Fourth Proportional to 6,560,617.79, 9,839,805.09 and 1,767,186.05
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Solution
The fourth proportional to 6,560,617.79, 9,839,805.09 and 1,767,186.05 is: 2,650,476.95
Step by Step Solution
- Step 1: Write the proportion equation
6,560,617.79 : 9,839,805.09 = 1,767,186.05 : x - Step 2: Convert to fraction form
6,560,617.79/9,839,805.09 = 1,767,186.05/x - Step 3: Cross multiply
6,560,617.79x = 9,839,805.09 × 1,767,186.05 - Step 4: Simplify right side
6,560,617.79x = 17,388,766,240,567.97 - Step 5: Solve for x
x = 17,388,766,240,567.97/6,560,617.79 - Step 6: Final answer
x = 2,650,476.95
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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.