Finding the Fourth Proportional to 1,477,909.62, 2,039,537.97 and 865,915.92
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Solution
The fourth proportional to 1,477,909.62, 2,039,537.97 and 865,915.92 is: 1,194,977.27
Step by Step Solution
- Step 1: Write the proportion equation
1,477,909.62 : 2,039,537.97 = 865,915.92 : x - Step 2: Convert to fraction form
1,477,909.62/2,039,537.97 = 865,915.92/x - Step 3: Cross multiply
1,477,909.62x = 2,039,537.97 × 865,915.92 - Step 4: Simplify right side
1,477,909.62x = 1,766,068,397,667.48 - Step 5: Solve for x
x = 1,766,068,397,667.48/1,477,909.62 - Step 6: Final answer
x = 1,194,977.27
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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.