Finding the Fourth Proportional to 3,290,120.48, 4,530,272.82 and 2,879,926.76
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Solution
The fourth proportional to 3,290,120.48, 4,530,272.82 and 2,879,926.76 is: 3,965,463.88
Step by Step Solution
- Step 1: Write the proportion equation
3,290,120.48 : 4,530,272.82 = 2,879,926.76 : x - Step 2: Convert to fraction form
3,290,120.48/4,530,272.82 = 2,879,926.76/x - Step 3: Cross multiply
3,290,120.48x = 4,530,272.82 × 2,879,926.76 - Step 4: Simplify right side
3,290,120.48x = 13,046,853,924,418.66 - Step 5: Solve for x
x = 13,046,853,924,418.66/3,290,120.48 - Step 6: Final answer
x = 3,965,463.88
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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.