Finding the Fourth Proportional to 1,992,591.84, 2,750,185.92 and 1,218,354.96
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Solution
The fourth proportional to 1,992,591.84, 2,750,185.92 and 1,218,354.96 is: 1,681,580.04
Step by Step Solution
- Step 1: Write the proportion equation
1,992,591.84 : 2,750,185.92 = 1,218,354.96 : x - Step 2: Convert to fraction form
1,992,591.84/2,750,185.92 = 1,218,354.96/x - Step 3: Cross multiply
1,992,591.84x = 2,750,185.92 × 1,218,354.96 - Step 4: Simplify right side
1,992,591.84x = 3,350,702,656,554.16 - Step 5: Solve for x
x = 3,350,702,656,554.16/1,992,591.84 - Step 6: Final answer
x = 1,681,580.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.