Finding the Fourth Proportional to 5,755,647.34, 7,942,585.14 and 3,177,272.80
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Solution
The fourth proportional to 5,755,647.34, 7,942,585.14 and 3,177,272.80 is: 4,384,521.54
Step by Step Solution
- Step 1: Write the proportion equation
5,755,647.34 : 7,942,585.14 = 3,177,272.80 : x - Step 2: Convert to fraction form
5,755,647.34/7,942,585.14 = 3,177,272.80/x - Step 3: Cross multiply
5,755,647.34x = 7,942,585.14 × 3,177,272.80 - Step 4: Simplify right side
5,755,647.34x = 25,235,759,727,006.19 - Step 5: Solve for x
x = 25,235,759,727,006.19/5,755,647.34 - Step 6: Final answer
x = 4,384,521.54
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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.