Finding the Fourth Proportional to 4,941,845.59, 6,819,889.35 and 2,766,375.94
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Solution
The fourth proportional to 4,941,845.59, 6,819,889.35 and 2,766,375.94 is: 3,817,678.53
Step by Step Solution
- Step 1: Write the proportion equation
4,941,845.59 : 6,819,889.35 = 2,766,375.94 : x - Step 2: Convert to fraction form
4,941,845.59/6,819,889.35 = 2,766,375.94/x - Step 3: Cross multiply
4,941,845.59x = 6,819,889.35 × 2,766,375.94 - Step 4: Simplify right side
4,941,845.59x = 18,866,377,811,302.24 - Step 5: Solve for x
x = 18,866,377,811,302.24/4,941,845.59 - Step 6: Final answer
x = 3,817,678.53
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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.