Finding the Fourth Proportional to 3,142,252.51, 4,336,306.86 and 1,765,601.62
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Solution
The fourth proportional to 3,142,252.51, 4,336,306.86 and 1,765,601.62 is: 2,436,529.33
Step by Step Solution
- Step 1: Write the proportion equation
3,142,252.51 : 4,336,306.86 = 1,765,601.62 : x - Step 2: Convert to fraction form
3,142,252.51/4,336,306.86 = 1,765,601.62/x - Step 3: Cross multiply
3,142,252.51x = 4,336,306.86 × 1,765,601.62 - Step 4: Simplify right side
3,142,252.51x = 7,656,190,416,833.11 - Step 5: Solve for x
x = 7,656,190,416,833.11/3,142,252.51 - Step 6: Final answer
x = 2,436,529.33
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1.5x scale
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.