Finding the Fourth Proportional to 4,293,105.30, 6,439,657.95 and 3,845,207.70
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Solution
The fourth proportional to 4,293,105.30, 6,439,657.95 and 3,845,207.70 is: 5,767,811.55
Step by Step Solution
- Step 1: Write the proportion equation
4,293,105.30 : 6,439,657.95 = 3,845,207.70 : x - Step 2: Convert to fraction form
4,293,105.30/6,439,657.95 = 3,845,207.70/x - Step 3: Cross multiply
4,293,105.30x = 6,439,657.95 × 3,845,207.70 - Step 4: Simplify right side
4,293,105.30x = 24,761,822,334,706.22 - Step 5: Solve for x
x = 24,761,822,334,706.22/4,293,105.30 - Step 6: Final answer
x = 5,767,811.55
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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.