Finding the Fourth Proportional to 5,487,748.70, 8,231,623.05 and 5,382,772.70
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Solution
The fourth proportional to 5,487,748.70, 8,231,623.05 and 5,382,772.70 is: 8,074,159.05
Step by Step Solution
- Step 1: Write the proportion equation
5,487,748.70 : 8,231,623.05 = 5,382,772.70 : x - Step 2: Convert to fraction form
5,487,748.70/8,231,623.05 = 5,382,772.70/x - Step 3: Cross multiply
5,487,748.70x = 8,231,623.05 × 5,382,772.70 - Step 4: Simplify right side
5,487,748.70x = 44,308,955,830,230.73 - Step 5: Solve for x
x = 44,308,955,830,230.73/5,487,748.70 - Step 6: Final answer
x = 8,074,159.05
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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.