Finding the Fourth Proportional to 3,149,265.40, 4,720,398.90 and 1,730,339.80
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Solution
The fourth proportional to 3,149,265.40, 4,720,398.90 and 1,730,339.80 is: 2,593,587.09
Step by Step Solution
- Step 1: Write the proportion equation
3,149,265.40 : 4,720,398.90 = 1,730,339.80 : x - Step 2: Convert to fraction form
3,149,265.40/4,720,398.90 = 1,730,339.80/x - Step 3: Cross multiply
3,149,265.40x = 4,720,398.90 × 1,730,339.80 - Step 4: Simplify right side
3,149,265.40x = 8,167,894,088,546.22 - Step 5: Solve for x
x = 8,167,894,088,546.22/3,149,265.40 - Step 6: Final answer
x = 2,593,587.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.