Finding the Fourth Proportional to 4,186,165.12, 6,279,370.80 and 1,153,576.96
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Solution
The fourth proportional to 4,186,165.12, 6,279,370.80 and 1,153,576.96 is: 1,730,399.37
Step by Step Solution
- Step 1: Write the proportion equation
4,186,165.12 : 6,279,370.80 = 1,153,576.96 : x - Step 2: Convert to fraction form
4,186,165.12/6,279,370.80 = 1,153,576.96/x - Step 3: Cross multiply
4,186,165.12x = 6,279,370.80 × 1,153,576.96 - Step 4: Simplify right side
4,186,165.12x = 7,243,737,478,176.77 - Step 5: Solve for x
x = 7,243,737,478,176.77/4,186,165.12 - Step 6: Final answer
x = 1,730,399.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.