Finding the Fourth Proportional to 5,897,947.62, 8,134,975.14 and 3,936,836.91
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Solution
The fourth proportional to 5,897,947.62, 8,134,975.14 and 3,936,836.91 is: 5,430,036.42
Step by Step Solution
- Step 1: Write the proportion equation
5,897,947.62 : 8,134,975.14 = 3,936,836.91 : x - Step 2: Convert to fraction form
5,897,947.62/8,134,975.14 = 3,936,836.91/x - Step 3: Cross multiply
5,897,947.62x = 8,134,975.14 × 3,936,836.91 - Step 4: Simplify right side
5,897,947.62x = 32,026,070,393,084.42 - Step 5: Solve for x
x = 32,026,070,393,084.42/5,897,947.62 - Step 6: Final answer
x = 5,430,036.42
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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.