Finding the Fourth Proportional to 3,924,672.65, 5,416,479.82 and 2,248,415.11
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Solution
The fourth proportional to 3,924,672.65, 5,416,479.82 and 2,248,415.11 is: 3,103,060.09
Step by Step Solution
- Step 1: Write the proportion equation
3,924,672.65 : 5,416,479.82 = 2,248,415.11 : x - Step 2: Convert to fraction form
3,924,672.65/5,416,479.82 = 2,248,415.11/x - Step 3: Cross multiply
3,924,672.65x = 5,416,479.82 × 2,248,415.11 - Step 4: Simplify right side
3,924,672.65x = 12,178,495,079,879.20 - Step 5: Solve for x
x = 12,178,495,079,879.20/3,924,672.65 - Step 6: Final answer
x = 3,103,060.09
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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.