Finding the Fourth Proportional to 5,537,882.15, 7,642,232.91 and 3,214,990.20
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Solution
The fourth proportional to 5,537,882.15, 7,642,232.91 and 3,214,990.20 is: 4,436,660.67
Step by Step Solution
- Step 1: Write the proportion equation
5,537,882.15 : 7,642,232.91 = 3,214,990.20 : x - Step 2: Convert to fraction form
5,537,882.15/7,642,232.91 = 3,214,990.20/x - Step 3: Cross multiply
5,537,882.15x = 7,642,232.91 × 3,214,990.20 - Step 4: Simplify right side
5,537,882.15x = 24,569,703,911,767.48 - Step 5: Solve for x
x = 24,569,703,911,767.48/5,537,882.15 - Step 6: Final answer
x = 4,436,660.67
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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.