Finding the Fourth Proportional to 5,692,818.36, 7,856,177.91 and 3,114,542.19
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Solution
The fourth proportional to 5,692,818.36, 7,856,177.91 and 3,114,542.19 is: 4,298,116.68
Step by Step Solution
- Step 1: Write the proportion equation
5,692,818.36 : 7,856,177.91 = 3,114,542.19 : x - Step 2: Convert to fraction form
5,692,818.36/7,856,177.91 = 3,114,542.19/x - Step 3: Cross multiply
5,692,818.36x = 7,856,177.91 × 3,114,542.19 - Step 4: Simplify right side
5,692,818.36x = 24,468,397,552,841.02 - Step 5: Solve for x
x = 24,468,397,552,841.02/5,692,818.36 - Step 6: Final answer
x = 4,298,116.68
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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.