Finding the Fourth Proportional to 2,160,651.22, 3,240,907.10 and 644,346.74
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Solution
The fourth proportional to 2,160,651.22, 3,240,907.10 and 644,346.74 is: 966,499.32
Step by Step Solution
- Step 1: Write the proportion equation
2,160,651.22 : 3,240,907.10 = 644,346.74 : x - Step 2: Convert to fraction form
2,160,651.22/3,240,907.10 = 644,346.74/x - Step 3: Cross multiply
2,160,651.22x = 3,240,907.10 × 644,346.74 - Step 4: Simplify right side
2,160,651.22x = 2,088,267,924,527.85 - Step 5: Solve for x
x = 2,088,267,924,527.85/2,160,651.22 - Step 6: Final answer
x = 966,499.32
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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.