Finding the Fourth Proportional to 6,320,770.71, 8,724,121.17 and 3,708,114.09
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Solution
The fourth proportional to 6,320,770.71, 8,724,121.17 and 3,708,114.09 is: 5,118,052.55
Step by Step Solution
- Step 1: Write the proportion equation
6,320,770.71 : 8,724,121.17 = 3,708,114.09 : x - Step 2: Convert to fraction form
6,320,770.71/8,724,121.17 = 3,708,114.09/x - Step 3: Cross multiply
6,320,770.71x = 8,724,121.17 × 3,708,114.09 - Step 4: Simplify right side
6,320,770.71x = 32,350,036,633,344.29 - Step 5: Solve for x
x = 32,350,036,633,344.29/6,320,770.71 - Step 6: Final answer
x = 5,118,052.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.