Finding the Fourth Proportional to 2,497,728.20, 3,446,864.91 and 1,351,808.54
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Solution
The fourth proportional to 2,497,728.20, 3,446,864.91 and 1,351,808.54 is: 1,865,495.78
Step by Step Solution
- Step 1: Write the proportion equation
2,497,728.20 : 3,446,864.91 = 1,351,808.54 : x - Step 2: Convert to fraction form
2,497,728.20/3,446,864.91 = 1,351,808.54/x - Step 3: Cross multiply
2,497,728.20x = 3,446,864.91 × 1,351,808.54 - Step 4: Simplify right side
2,497,728.20x = 4,659,501,404,330.01 - Step 5: Solve for x
x = 4,659,501,404,330.01/2,497,728.20 - Step 6: Final answer
x = 1,865,495.78
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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.