Finding the Fourth Proportional to 3,515,925.12, 5,274,093.60 and 1,356,961.92
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Solution
The fourth proportional to 3,515,925.12, 5,274,093.60 and 1,356,961.92 is: 2,035,522.35
Step by Step Solution
- Step 1: Write the proportion equation
3,515,925.12 : 5,274,093.60 = 1,356,961.92 : x - Step 2: Convert to fraction form
3,515,925.12/5,274,093.60 = 1,356,961.92/x - Step 3: Cross multiply
3,515,925.12x = 5,274,093.60 × 1,356,961.92 - Step 4: Simplify right side
3,515,925.12x = 7,156,744,177,715.71 - Step 5: Solve for x
x = 7,156,744,177,715.71/3,515,925.12 - Step 6: Final answer
x = 2,035,522.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.