Finding the Fourth Proportional to 4,891,342.60, 6,750,065.91 and 2,715,889.96
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Solution
The fourth proportional to 4,891,342.60, 6,750,065.91 and 2,715,889.96 is: 3,747,935.43
Step by Step Solution
- Step 1: Write the proportion equation
4,891,342.60 : 6,750,065.91 = 2,715,889.96 : x - Step 2: Convert to fraction form
4,891,342.60/6,750,065.91 = 2,715,889.96/x - Step 3: Cross multiply
4,891,342.60x = 6,750,065.91 × 2,715,889.96 - Step 4: Simplify right side
4,891,342.60x = 18,332,436,234,307.27 - Step 5: Solve for x
x = 18,332,436,234,307.27/4,891,342.60 - Step 6: Final answer
x = 3,747,935.43
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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.