Finding the Fourth Proportional to 5,236,961.85, 7,226,372.41 and 2,913,305.09
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Solution
The fourth proportional to 5,236,961.85, 7,226,372.41 and 2,913,305.09 is: 4,020,007.80
Step by Step Solution
- Step 1: Write the proportion equation
5,236,961.85 : 7,226,372.41 = 2,913,305.09 : x - Step 2: Convert to fraction form
5,236,961.85/7,226,372.41 = 2,913,305.09/x - Step 3: Cross multiply
5,236,961.85x = 7,226,372.41 × 2,913,305.09 - Step 4: Simplify right side
5,236,961.85x = 21,052,627,509,722.04 - Step 5: Solve for x
x = 21,052,627,509,722.04/5,236,961.85 - Step 6: Final answer
x = 4,020,007.80
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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.