Finding the Fourth Proportional to 2,872,960.84, 3,964,729.90 and 1,566,213.76
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Solution
The fourth proportional to 2,872,960.84, 3,964,729.90 and 1,566,213.76 is: 2,161,398.94
Step by Step Solution
- Step 1: Write the proportion equation
2,872,960.84 : 3,964,729.90 = 1,566,213.76 : x - Step 2: Convert to fraction form
2,872,960.84/3,964,729.90 = 1,566,213.76/x - Step 3: Cross multiply
2,872,960.84x = 3,964,729.90 × 1,566,213.76 - Step 4: Simplify right side
2,872,960.84x = 6,209,614,524,063.42 - Step 5: Solve for x
x = 6,209,614,524,063.42/2,872,960.84 - Step 6: Final answer
x = 2,161,398.94
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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.