Finding the Fourth Proportional to 5,357,841.25, 7,393,823.81 and 2,943,548.77
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Solution
The fourth proportional to 5,357,841.25, 7,393,823.81 and 2,943,548.77 is: 4,062,098.89
Step by Step Solution
- Step 1: Write the proportion equation
5,357,841.25 : 7,393,823.81 = 2,943,548.77 : x - Step 2: Convert to fraction form
5,357,841.25/7,393,823.81 = 2,943,548.77/x - Step 3: Cross multiply
5,357,841.25x = 7,393,823.81 × 2,943,548.77 - Step 4: Simplify right side
5,357,841.25x = 21,764,080,981,522.21 - Step 5: Solve for x
x = 21,764,080,981,522.21/5,357,841.25 - Step 6: Final answer
x = 4,062,098.89
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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.