Finding the Fourth Proportional to 3,940,214.49, 5,910,657.08 and 1,243,818.45
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Solution
The fourth proportional to 3,940,214.49, 5,910,657.08 and 1,243,818.45 is: 1,865,833.53
Step by Step Solution
- Step 1: Write the proportion equation
3,940,214.49 : 5,910,657.08 = 1,243,818.45 : x - Step 2: Convert to fraction form
3,940,214.49/5,910,657.08 = 1,243,818.45/x - Step 3: Cross multiply
3,940,214.49x = 5,910,657.08 × 1,243,818.45 - Step 4: Simplify right side
3,940,214.49x = 7,351,784,321,508.03 - Step 5: Solve for x
x = 7,351,784,321,508.03/3,940,214.49 - Step 6: Final answer
x = 1,865,833.53
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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.