Finding the Fourth Proportional to 3,746,809.51, 5,170,691.60 and 2,297,304.18
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Solution
The fourth proportional to 3,746,809.51, 5,170,691.60 and 2,297,304.18 is: 3,170,337.70
Step by Step Solution
- Step 1: Write the proportion equation
3,746,809.51 : 5,170,691.60 = 2,297,304.18 : x - Step 2: Convert to fraction form
3,746,809.51/5,170,691.60 = 2,297,304.18/x - Step 3: Cross multiply
3,746,809.51x = 5,170,691.60 × 2,297,304.18 - Step 4: Simplify right side
3,746,809.51x = 11,878,651,423,299.26 - Step 5: Solve for x
x = 11,878,651,423,299.26/3,746,809.51 - Step 6: Final answer
x = 3,170,337.70
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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.