Finding the Fourth Proportional to 3,103,822.62, 4,283,233.97 and 1,745,695.62
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Solution
The fourth proportional to 3,103,822.62, 4,283,233.97 and 1,745,695.62 is: 2,409,036.75
Step by Step Solution
- Step 1: Write the proportion equation
3,103,822.62 : 4,283,233.97 = 1,745,695.62 : x - Step 2: Convert to fraction form
3,103,822.62/4,283,233.97 = 1,745,695.62/x - Step 3: Cross multiply
3,103,822.62x = 4,283,233.97 × 1,745,695.62 - Step 4: Simplify right side
3,103,822.62x = 7,477,222,772,135.73 - Step 5: Solve for x
x = 7,477,222,772,135.73/3,103,822.62 - Step 6: Final answer
x = 2,409,036.75
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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.