Finding the Fourth Proportional to 5,731,719.07, 7,909,772.05 and 3,153,344.53
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Solution
The fourth proportional to 5,731,719.07, 7,909,772.05 and 3,153,344.53 is: 4,351,615.30
Step by Step Solution
- Step 1: Write the proportion equation
5,731,719.07 : 7,909,772.05 = 3,153,344.53 : x - Step 2: Convert to fraction form
5,731,719.07/7,909,772.05 = 3,153,344.53/x - Step 3: Cross multiply
5,731,719.07x = 7,909,772.05 × 3,153,344.53 - Step 4: Simplify right side
5,731,719.07x = 24,942,236,427,414.38 - Step 5: Solve for x
x = 24,942,236,427,414.38/5,731,719.07 - Step 6: Final answer
x = 4,351,615.30
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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.