Finding the Fourth Proportional to 2,218,902.40, 3,319,929.60 and 1,472,406.40
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Solution
The fourth proportional to 2,218,902.40, 3,319,929.60 and 1,472,406.40 is: 2,203,019.65
Step by Step Solution
- Step 1: Write the proportion equation
2,218,902.40 : 3,319,929.60 = 1,472,406.40 : x - Step 2: Convert to fraction form
2,218,902.40/3,319,929.60 = 1,472,406.40/x - Step 3: Cross multiply
2,218,902.40x = 3,319,929.60 × 1,472,406.40 - Step 4: Simplify right side
2,218,902.40x = 4,888,285,590,589.44 - Step 5: Solve for x
x = 4,888,285,590,589.44/2,218,902.40 - Step 6: Final answer
x = 2,203,019.65
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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.