Finding the Fourth Proportional to 5,678,701.32, 8,519,276.70 and 1,635,161.88
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Solution
The fourth proportional to 5,678,701.32, 8,519,276.70 and 1,635,161.88 is: 2,453,095.47
Step by Step Solution
- Step 1: Write the proportion equation
5,678,701.32 : 8,519,276.70 = 1,635,161.88 : x - Step 2: Convert to fraction form
5,678,701.32/8,519,276.70 = 1,635,161.88/x - Step 3: Cross multiply
5,678,701.32x = 8,519,276.70 × 1,635,161.88 - Step 4: Simplify right side
5,678,701.32x = 13,930,396,505,012.19 - Step 5: Solve for x
x = 13,930,396,505,012.19/5,678,701.32 - Step 6: Final answer
x = 2,453,095.47
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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.