Finding the Fourth Proportional to 4,138,631.09, 6,246,821.93 and 4,138,631.09
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Solution
The fourth proportional to 4,138,631.09, 6,246,821.93 and 4,138,631.09 is: 6,246,821.93
Step by Step Solution
- Step 1: Write the proportion equation
4,138,631.09 : 6,246,821.93 = 4,138,631.09 : x - Step 2: Convert to fraction form
4,138,631.09/6,246,821.93 = 4,138,631.09/x - Step 3: Cross multiply
4,138,631.09x = 6,246,821.93 × 4,138,631.09 - Step 4: Simplify right side
4,138,631.09x = 25,853,291,432,304.27 - Step 5: Solve for x
x = 25,853,291,432,304.27/4,138,631.09 - Step 6: Final answer
x = 6,246,821.93
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.