Finding the Fourth Proportional to 5,554,127.72, 8,328,195.86 and 2,519,837.88
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Solution
The fourth proportional to 5,554,127.72, 8,328,195.86 and 2,519,837.88 is: 3,778,397.70
Step by Step Solution
- Step 1: Write the proportion equation
5,554,127.72 : 8,328,195.86 = 2,519,837.88 : x - Step 2: Convert to fraction form
5,554,127.72/8,328,195.86 = 2,519,837.88/x - Step 3: Cross multiply
5,554,127.72x = 8,328,195.86 × 2,519,837.88 - Step 4: Simplify right side
5,554,127.72x = 20,985,703,400,087.18 - Step 5: Solve for x
x = 20,985,703,400,087.18/5,554,127.72 - Step 6: Final answer
x = 3,778,397.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.