Finding the Fourth Proportional to 5,384,528.20, 8,076,792.30 and 4,572,713.80
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Solution
The fourth proportional to 5,384,528.20, 8,076,792.30 and 4,572,713.80 is: 6,859,070.70
Step by Step Solution
- Step 1: Write the proportion equation
5,384,528.20 : 8,076,792.30 = 4,572,713.80 : x - Step 2: Convert to fraction form
5,384,528.20/8,076,792.30 = 4,572,713.80/x - Step 3: Cross multiply
5,384,528.20x = 8,076,792.30 × 4,572,713.80 - Step 4: Simplify right side
5,384,528.20x = 36,932,859,609,943.73 - Step 5: Solve for x
x = 36,932,859,609,943.73/5,384,528.20 - Step 6: Final answer
x = 6,859,070.70
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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.