Finding the Fourth Proportional to 3,114,349.91, 4,668,670.82 and 1,091,491.14
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Solution
The fourth proportional to 3,114,349.91, 4,668,670.82 and 1,091,491.14 is: 1,636,236.45
Step by Step Solution
- Step 1: Write the proportion equation
3,114,349.91 : 4,668,670.82 = 1,091,491.14 : x - Step 2: Convert to fraction form
3,114,349.91/4,668,670.82 = 1,091,491.14/x - Step 3: Cross multiply
3,114,349.91x = 4,668,670.82 × 1,091,491.14 - Step 4: Simplify right side
3,114,349.91x = 5,095,812,838,335.26 - Step 5: Solve for x
x = 5,095,812,838,335.26/3,114,349.91 - Step 6: Final answer
x = 1,636,236.45
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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.