Finding the Fourth Proportional to 5,514,675.80, 8,272,272.90 and 1,728,282.20
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Solution
The fourth proportional to 5,514,675.80, 8,272,272.90 and 1,728,282.20 is: 2,592,504.53
Step by Step Solution
- Step 1: Write the proportion equation
5,514,675.80 : 8,272,272.90 = 1,728,282.20 : x - Step 2: Convert to fraction form
5,514,675.80/8,272,272.90 = 1,728,282.20/x - Step 3: Cross multiply
5,514,675.80x = 8,272,272.90 × 1,728,282.20 - Step 4: Simplify right side
5,514,675.80x = 14,296,822,006,612.38 - Step 5: Solve for x
x = 14,296,822,006,612.38/5,514,675.80 - Step 6: Final answer
x = 2,592,504.53
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1.5x scale
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.