Finding the Fourth Proportional to 5,194,299.11, 7,168,117.75 and 2,902,461.62
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Solution
The fourth proportional to 5,194,299.11, 7,168,117.75 and 2,902,461.62 is: 4,005,388.64
Step by Step Solution
- Step 1: Write the proportion equation
5,194,299.11 : 7,168,117.75 = 2,902,461.62 : x - Step 2: Convert to fraction form
5,194,299.11/7,168,117.75 = 2,902,461.62/x - Step 3: Cross multiply
5,194,299.11x = 7,168,117.75 × 2,902,461.62 - Step 4: Simplify right side
5,194,299.11x = 20,805,186,613,919.01 - Step 5: Solve for x
x = 20,805,186,613,919.01/5,194,299.11 - Step 6: Final answer
x = 4,005,388.64
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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.