Finding the Fourth Proportional to 4,514,490.66, 6,771,604.77 and 1,319,691.90
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Solution
The fourth proportional to 4,514,490.66, 6,771,604.77 and 1,319,691.90 is: 1,979,499.49
Step by Step Solution
- Step 1: Write the proportion equation
4,514,490.66 : 6,771,604.77 = 1,319,691.90 : x - Step 2: Convert to fraction form
4,514,490.66/6,771,604.77 = 1,319,691.90/x - Step 3: Cross multiply
4,514,490.66x = 6,771,604.77 × 1,319,691.90 - Step 4: Simplify right side
4,514,490.66x = 8,936,431,964,970.36 - Step 5: Solve for x
x = 8,936,431,964,970.36/4,514,490.66 - Step 6: Final answer
x = 1,979,499.49
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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.