Finding the Fourth Proportional to 2,690,431.92, 3,710,695.68 and 1,723,651.56
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Solution
The fourth proportional to 2,690,431.92, 3,710,695.68 and 1,723,651.56 is: 2,377,293.53
Step by Step Solution
- Step 1: Write the proportion equation
2,690,431.92 : 3,710,695.68 = 1,723,651.56 : x - Step 2: Convert to fraction form
2,690,431.92/3,710,695.68 = 1,723,651.56/x - Step 3: Cross multiply
2,690,431.92x = 3,710,695.68 × 1,723,651.56 - Step 4: Simplify right side
2,690,431.92x = 6,395,946,397,517.26 - Step 5: Solve for x
x = 6,395,946,397,517.26/2,690,431.92 - Step 6: Final answer
x = 2,377,293.53
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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.