Finding the Fourth Proportional to 5,212,248.54, 7,192,898.16 and 2,920,425.62
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Solution
The fourth proportional to 5,212,248.54, 7,192,898.16 and 2,920,425.62 is: 4,030,184.65
Step by Step Solution
- Step 1: Write the proportion equation
5,212,248.54 : 7,192,898.16 = 2,920,425.62 : x - Step 2: Convert to fraction form
5,212,248.54/7,192,898.16 = 2,920,425.62/x - Step 3: Cross multiply
5,212,248.54x = 7,192,898.16 × 2,920,425.62 - Step 4: Simplify right side
5,212,248.54x = 21,006,324,068,514.86 - Step 5: Solve for x
x = 21,006,324,068,514.86/5,212,248.54 - Step 6: Final answer
x = 4,030,184.65
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1.5x scale
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.