Finding the Fourth Proportional to 3,805,915.20, 5,252,405.76 and 2,514,490.08
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Solution
The fourth proportional to 3,805,915.20, 5,252,405.76 and 2,514,490.08 is: 3,470,156.71
Step by Step Solution
- Step 1: Write the proportion equation
3,805,915.20 : 5,252,405.76 = 2,514,490.08 : x - Step 2: Convert to fraction form
3,805,915.20/5,252,405.76 = 2,514,490.08/x - Step 3: Cross multiply
3,805,915.20x = 5,252,405.76 × 2,514,490.08 - Step 4: Simplify right side
3,805,915.20x = 13,207,122,179,654.86 - Step 5: Solve for x
x = 13,207,122,179,654.86/3,805,915.20 - Step 6: Final answer
x = 3,470,156.71
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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.