Finding the Fourth Proportional to 3,442,218.30, 5,157,932.76 and 2,177,374.14
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Solution
The fourth proportional to 3,442,218.30, 5,157,932.76 and 2,177,374.14 is: 3,262,648.80
Step by Step Solution
- Step 1: Write the proportion equation
3,442,218.30 : 5,157,932.76 = 2,177,374.14 : x - Step 2: Convert to fraction form
3,442,218.30/5,157,932.76 = 2,177,374.14/x - Step 3: Cross multiply
3,442,218.30x = 5,157,932.76 × 2,177,374.14 - Step 4: Simplify right side
3,442,218.30x = 11,230,749,407,482.83 - Step 5: Solve for x
x = 11,230,749,407,482.83/3,442,218.30 - Step 6: Final answer
x = 3,262,648.80
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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.