Finding the Fourth Proportional to 3,988,534.72, 5,504,102.68 and 2,439,682.44
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Solution
The fourth proportional to 3,988,534.72, 5,504,102.68 and 2,439,682.44 is: 3,366,715.75
Step by Step Solution
- Step 1: Write the proportion equation
3,988,534.72 : 5,504,102.68 = 2,439,682.44 : x - Step 2: Convert to fraction form
3,988,534.72/5,504,102.68 = 2,439,682.44/x - Step 3: Cross multiply
3,988,534.72x = 5,504,102.68 × 2,439,682.44 - Step 4: Simplify right side
3,988,534.72x = 13,428,262,656,352.94 - Step 5: Solve for x
x = 13,428,262,656,352.94/3,988,534.72 - Step 6: Final answer
x = 3,366,715.75
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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.