Finding the Fourth Proportional to 3,207,589.36, 4,426,473.10 and 1,757,336.20
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Solution
The fourth proportional to 3,207,589.36, 4,426,473.10 and 1,757,336.20 is: 2,425,123.84
Step by Step Solution
- Step 1: Write the proportion equation
3,207,589.36 : 4,426,473.10 = 1,757,336.20 : x - Step 2: Convert to fraction form
3,207,589.36/4,426,473.10 = 1,757,336.20/x - Step 3: Cross multiply
3,207,589.36x = 4,426,473.10 × 1,757,336.20 - Step 4: Simplify right side
3,207,589.36x = 7,778,801,416,956.22 - Step 5: Solve for x
x = 7,778,801,416,956.22/3,207,589.36 - Step 6: Final answer
x = 2,425,123.84
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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.