Finding the Fourth Proportional to 3,091,778.79, 4,635,495.12 and 1,361,827.62
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Solution
The fourth proportional to 3,091,778.79, 4,635,495.12 and 1,361,827.62 is: 2,041,784.27
Step by Step Solution
- Step 1: Write the proportion equation
3,091,778.79 : 4,635,495.12 = 1,361,827.62 : x - Step 2: Convert to fraction form
3,091,778.79/4,635,495.12 = 1,361,827.62/x - Step 3: Cross multiply
3,091,778.79x = 4,635,495.12 × 1,361,827.62 - Step 4: Simplify right side
3,091,778.79x = 6,312,745,286,791.22 - Step 5: Solve for x
x = 6,312,745,286,791.22/3,091,778.79 - Step 6: Final answer
x = 2,041,784.27
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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.