Finding the Fourth Proportional to 3,598,674.32, 4,966,175.40 and 2,070,750.80
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Solution
The fourth proportional to 3,598,674.32, 4,966,175.40 and 2,070,750.80 is: 2,857,638.89
Step by Step Solution
- Step 1: Write the proportion equation
3,598,674.32 : 4,966,175.40 = 2,070,750.80 : x - Step 2: Convert to fraction form
3,598,674.32/4,966,175.40 = 2,070,750.80/x - Step 3: Cross multiply
3,598,674.32x = 4,966,175.40 × 2,070,750.80 - Step 4: Simplify right side
3,598,674.32x = 10,283,711,682,490.32 - Step 5: Solve for x
x = 10,283,711,682,490.32/3,598,674.32 - Step 6: Final answer
x = 2,857,638.89
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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.