Finding the Fourth Proportional to 6,502,121.84, 8,972,532.60 and 3,601,340.12
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Solution
The fourth proportional to 6,502,121.84, 8,972,532.60 and 3,601,340.12 is: 4,969,630.29
Step by Step Solution
- Step 1: Write the proportion equation
6,502,121.84 : 8,972,532.60 = 3,601,340.12 : x - Step 2: Convert to fraction form
6,502,121.84/8,972,532.60 = 3,601,340.12/x - Step 3: Cross multiply
6,502,121.84x = 8,972,532.60 × 3,601,340.12 - Step 4: Simplify right side
6,502,121.84x = 32,313,141,630,387.91 - Step 5: Solve for x
x = 32,313,141,630,387.91/6,502,121.84 - Step 6: Final answer
x = 4,969,630.29
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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.