Finding the Fourth Proportional to 3,746,743.40, 5,170,631.28 and 2,296,158.68
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Solution
The fourth proportional to 3,746,743.40, 5,170,631.28 and 2,296,158.68 is: 3,168,775.82
Step by Step Solution
- Step 1: Write the proportion equation
3,746,743.40 : 5,170,631.28 = 2,296,158.68 : x - Step 2: Convert to fraction form
3,746,743.40/5,170,631.28 = 2,296,158.68/x - Step 3: Cross multiply
3,746,743.40x = 5,170,631.28 × 2,296,158.68 - Step 4: Simplify right side
3,746,743.40x = 11,872,589,894,651.51 - Step 5: Solve for x
x = 11,872,589,894,651.51/3,746,743.40 - Step 6: Final answer
x = 3,168,775.82
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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.