Finding the Fourth Proportional to 1,548,391.05, 2,136,813.48 and 850,680.87
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Solution
The fourth proportional to 1,548,391.05, 2,136,813.48 and 850,680.87 is: 1,173,958.19
Step by Step Solution
- Step 1: Write the proportion equation
1,548,391.05 : 2,136,813.48 = 850,680.87 : x - Step 2: Convert to fraction form
1,548,391.05/2,136,813.48 = 850,680.87/x - Step 3: Cross multiply
1,548,391.05x = 2,136,813.48 × 850,680.87 - Step 4: Simplify right side
1,548,391.05x = 1,817,746,350,194.13 - Step 5: Solve for x
x = 1,817,746,350,194.13/1,548,391.05 - Step 6: Final answer
x = 1,173,958.19
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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.