Finding the Fourth Proportional to 5,485,052.97, 7,565,728.40 and 3,527,406.09
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Solution
The fourth proportional to 5,485,052.97, 7,565,728.40 and 3,527,406.09 is: 4,865,476.52
Step by Step Solution
- Step 1: Write the proportion equation
5,485,052.97 : 7,565,728.40 = 3,527,406.09 : x - Step 2: Convert to fraction form
5,485,052.97/7,565,728.40 = 3,527,406.09/x - Step 3: Cross multiply
5,485,052.97x = 7,565,728.40 × 3,527,406.09 - Step 4: Simplify right side
5,485,052.97x = 26,687,396,433,445.96 - Step 5: Solve for x
x = 26,687,396,433,445.96/5,485,052.97 - Step 6: Final answer
x = 4,865,476.52
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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.