Finding the Fourth Proportional to 5,382,642.06, 8,071,951.05 and 2,186,691.48
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Solution
The fourth proportional to 5,382,642.06, 8,071,951.05 and 2,186,691.48 is: 3,279,219.83
Step by Step Solution
- Step 1: Write the proportion equation
5,382,642.06 : 8,071,951.05 = 2,186,691.48 : x - Step 2: Convert to fraction form
5,382,642.06/8,071,951.05 = 2,186,691.48/x - Step 3: Cross multiply
5,382,642.06x = 8,071,951.05 × 2,186,691.48 - Step 4: Simplify right side
5,382,642.06x = 17,650,866,588,012.05 - Step 5: Solve for x
x = 17,650,866,588,012.05/5,382,642.06 - Step 6: Final answer
x = 3,279,219.83
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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.