Finding the Fourth Proportional to 6,728,715.60, 10,081,044.90 and 4,094,838.60
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Solution
The fourth proportional to 6,728,715.60, 10,081,044.90 and 4,094,838.60 is: 6,134,937.82
Step by Step Solution
- Step 1: Write the proportion equation
6,728,715.60 : 10,081,044.90 = 4,094,838.60 : x - Step 2: Convert to fraction form
6,728,715.60/10,081,044.90 = 4,094,838.60/x - Step 3: Cross multiply
6,728,715.60x = 10,081,044.90 × 4,094,838.60 - Step 4: Simplify right side
6,728,715.60x = 41,280,251,784,853.14 - Step 5: Solve for x
x = 41,280,251,784,853.14/6,728,715.60 - Step 6: Final answer
x = 6,134,937.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.