Finding the Fourth Proportional to 3,836,175.98, 5,293,545.95 and 2,117,185.47
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Solution
The fourth proportional to 3,836,175.98, 5,293,545.95 and 2,117,185.47 is: 2,921,507.94
Step by Step Solution
- Step 1: Write the proportion equation
3,836,175.98 : 5,293,545.95 = 2,117,185.47 : x - Step 2: Convert to fraction form
3,836,175.98/5,293,545.95 = 2,117,185.47/x - Step 3: Cross multiply
3,836,175.98x = 5,293,545.95 × 2,117,185.47 - Step 4: Simplify right side
3,836,175.98x = 11,207,418,575,410.31 - Step 5: Solve for x
x = 11,207,418,575,410.31/3,836,175.98 - Step 6: Final answer
x = 2,921,507.94
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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.