Finding the Fourth Proportional to 7,414,381.17, 10,230,970.95 and 4,274,609.49
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Solution
The fourth proportional to 7,414,381.17, 10,230,970.95 and 4,274,609.49 is: 5,898,456.60
Step by Step Solution
- Step 1: Write the proportion equation
7,414,381.17 : 10,230,970.95 = 4,274,609.49 : x - Step 2: Convert to fraction form
7,414,381.17/10,230,970.95 = 4,274,609.49/x - Step 3: Cross multiply
7,414,381.17x = 10,230,970.95 × 4,274,609.49 - Step 4: Simplify right side
7,414,381.17x = 43,733,405,514,784.31 - Step 5: Solve for x
x = 43,733,405,514,784.31/7,414,381.17 - Step 6: Final answer
x = 5,898,456.60
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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.