Finding the Fourth Proportional to 3,787,087.47, 5,680,631.93 and 947,199.87
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Solution
The fourth proportional to 3,787,087.47, 5,680,631.93 and 947,199.87 is: 1,420,799.99
Step by Step Solution
- Step 1: Write the proportion equation
3,787,087.47 : 5,680,631.93 = 947,199.87 : x - Step 2: Convert to fraction form
3,787,087.47/5,680,631.93 = 947,199.87/x - Step 3: Cross multiply
3,787,087.47x = 5,680,631.93 × 947,199.87 - Step 4: Simplify right side
3,787,087.47x = 5,380,693,820,877.85 - Step 5: Solve for x
x = 5,380,693,820,877.85/3,787,087.47 - Step 6: Final answer
x = 1,420,799.99
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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.