Finding the Fourth Proportional to 5,012,182.62, 6,916,818.69 and 2,720,343.60
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Solution
The fourth proportional to 5,012,182.62, 6,916,818.69 and 2,720,343.60 is: 3,754,077.79
Step by Step Solution
- Step 1: Write the proportion equation
5,012,182.62 : 6,916,818.69 = 2,720,343.60 : x - Step 2: Convert to fraction form
5,012,182.62/6,916,818.69 = 2,720,343.60/x - Step 3: Cross multiply
5,012,182.62x = 6,916,818.69 × 2,720,343.60 - Step 4: Simplify right side
5,012,182.62x = 18,816,123,455,701.89 - Step 5: Solve for x
x = 18,816,123,455,701.89/5,012,182.62 - Step 6: Final answer
x = 3,754,077.79
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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.