Finding the Fourth Proportional to 5,731,718.07, 7,909,770.68 and 3,153,343.53
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Solution
The fourth proportional to 5,731,718.07, 7,909,770.68 and 3,153,343.53 is: 4,351,613.93
Step by Step Solution
- Step 1: Write the proportion equation
5,731,718.07 : 7,909,770.68 = 3,153,343.53 : x - Step 2: Convert to fraction form
5,731,718.07/7,909,770.68 = 3,153,343.53/x - Step 3: Cross multiply
5,731,718.07x = 7,909,770.68 × 3,153,343.53 - Step 4: Simplify right side
5,731,718.07x = 24,942,224,181,794.98 - Step 5: Solve for x
x = 24,942,224,181,794.98/5,731,718.07 - Step 6: Final answer
x = 4,351,613.93
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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.