Finding the Fourth Proportional to 1,405,514.70, 2,108,272.05 and 606,239.10
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Solution
The fourth proportional to 1,405,514.70, 2,108,272.05 and 606,239.10 is: 909,358.65
Step by Step Solution
- Step 1: Write the proportion equation
1,405,514.70 : 2,108,272.05 = 606,239.10 : x - Step 2: Convert to fraction form
1,405,514.70/2,108,272.05 = 606,239.10/x - Step 3: Cross multiply
1,405,514.70x = 2,108,272.05 × 606,239.10 - Step 4: Simplify right side
1,405,514.70x = 1,278,116,950,147.15 - Step 5: Solve for x
x = 1,278,116,950,147.15/1,405,514.70 - Step 6: Final answer
x = 909,358.65
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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.