Finding the Fourth Proportional to 3,797,055.20, 5,239,306.32 and 2,165,581.14
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Solution
The fourth proportional to 3,797,055.20, 5,239,306.32 and 2,165,581.14 is: 2,988,142.75
Step by Step Solution
- Step 1: Write the proportion equation
3,797,055.20 : 5,239,306.32 = 2,165,581.14 : x - Step 2: Convert to fraction form
3,797,055.20/5,239,306.32 = 2,165,581.14/x - Step 3: Cross multiply
3,797,055.20x = 5,239,306.32 × 2,165,581.14 - Step 4: Simplify right side
3,797,055.20x = 11,346,142,953,274.81 - Step 5: Solve for x
x = 11,346,142,953,274.81/3,797,055.20 - Step 6: Final answer
x = 2,988,142.75
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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.