Finding the Fourth Proportional to 5,699,517.18, 7,865,274.66 and 3,085,976.28
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Solution
The fourth proportional to 5,699,517.18, 7,865,274.66 and 3,085,976.28 is: 4,258,615.29
Step by Step Solution
- Step 1: Write the proportion equation
5,699,517.18 : 7,865,274.66 = 3,085,976.28 : x - Step 2: Convert to fraction form
5,699,517.18/7,865,274.66 = 3,085,976.28/x - Step 3: Cross multiply
5,699,517.18x = 7,865,274.66 × 3,085,976.28 - Step 4: Simplify right side
5,699,517.18x = 24,272,051,036,445.06 - Step 5: Solve for x
x = 24,272,051,036,445.06/5,699,517.18 - Step 6: Final answer
x = 4,258,615.29
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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.