Finding the Fourth Proportional to 4,393,476.43, 6,588,942.17 and 1,319,343.29
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Solution
The fourth proportional to 4,393,476.43, 6,588,942.17 and 1,319,343.29 is: 1,978,632.81
Step by Step Solution
- Step 1: Write the proportion equation
4,393,476.43 : 6,588,942.17 = 1,319,343.29 : x - Step 2: Convert to fraction form
4,393,476.43/6,588,942.17 = 1,319,343.29/x - Step 3: Cross multiply
4,393,476.43x = 6,588,942.17 × 1,319,343.29 - Step 4: Simplify right side
4,393,476.43x = 8,693,076,633,703.71 - Step 5: Solve for x
x = 8,693,076,633,703.71/4,393,476.43 - Step 6: Final answer
x = 1,978,632.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.