Finding the Fourth Proportional to 3,364,581.80, 5,046,872.70 and 1,947,405.80
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Solution
The fourth proportional to 3,364,581.80, 5,046,872.70 and 1,947,405.80 is: 2,921,108.70
Step by Step Solution
- Step 1: Write the proportion equation
3,364,581.80 : 5,046,872.70 = 1,947,405.80 : x - Step 2: Convert to fraction form
3,364,581.80/5,046,872.70 = 1,947,405.80/x - Step 3: Cross multiply
3,364,581.80x = 5,046,872.70 × 1,947,405.80 - Step 4: Simplify right side
3,364,581.80x = 9,828,309,167,841.66 - Step 5: Solve for x
x = 9,828,309,167,841.66/3,364,581.80 - Step 6: Final answer
x = 2,921,108.70
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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.