Finding the Fourth Proportional to 3,315,873.67, 4,972,446.11 and 1,267,290.88
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Solution
The fourth proportional to 3,315,873.67, 4,972,446.11 and 1,267,290.88 is: 1,900,414.86
Step by Step Solution
- Step 1: Write the proportion equation
3,315,873.67 : 4,972,446.11 = 1,267,290.88 : x - Step 2: Convert to fraction form
3,315,873.67/4,972,446.11 = 1,267,290.88/x - Step 3: Cross multiply
3,315,873.67x = 4,972,446.11 × 1,267,290.88 - Step 4: Simplify right side
3,315,873.67x = 6,301,535,597,231.59 - Step 5: Solve for x
x = 6,301,535,597,231.59/3,315,873.67 - Step 6: Final answer
x = 1,900,414.86
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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.