Finding the Fourth Proportional to 3,246,721.44, 4,478,523.43 and 2,144,162.99
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Solution
The fourth proportional to 3,246,721.44, 4,478,523.43 and 2,144,162.99 is: 2,957,655.70
Step by Step Solution
- Step 1: Write the proportion equation
3,246,721.44 : 4,478,523.43 = 2,144,162.99 : x - Step 2: Convert to fraction form
3,246,721.44/4,478,523.43 = 2,144,162.99/x - Step 3: Cross multiply
3,246,721.44x = 4,478,523.43 × 2,144,162.99 - Step 4: Simplify right side
3,246,721.44x = 9,602,684,173,118.37 - Step 5: Solve for x
x = 9,602,684,173,118.37/3,246,721.44 - Step 6: Final answer
x = 2,957,655.70
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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.