Finding the Fourth Proportional to 1,676,445.42, 2,514,691.20 and 478,367.35
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Solution
The fourth proportional to 1,676,445.42, 2,514,691.20 and 478,367.35 is: 717,557.61
Step by Step Solution
- Step 1: Write the proportion equation
1,676,445.42 : 2,514,691.20 = 478,367.35 : x - Step 2: Convert to fraction form
1,676,445.42/2,514,691.20 = 478,367.35/x - Step 3: Cross multiply
1,676,445.42x = 2,514,691.20 × 478,367.35 - Step 4: Simplify right side
1,676,445.42x = 1,202,946,165,723.94 - Step 5: Solve for x
x = 1,202,946,165,723.94/1,676,445.42 - Step 6: Final answer
x = 717,557.61
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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.