Finding the Fourth Proportional to 2,909,596.80, 4,364,125.88 and 1,372,239.68
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Solution
The fourth proportional to 2,909,596.80, 4,364,125.88 and 1,372,239.68 is: 2,058,232.50
Step by Step Solution
- Step 1: Write the proportion equation
2,909,596.80 : 4,364,125.88 = 1,372,239.68 : x - Step 2: Convert to fraction form
2,909,596.80/4,364,125.88 = 1,372,239.68/x - Step 3: Cross multiply
2,909,596.80x = 4,364,125.88 × 1,372,239.68 - Step 4: Simplify right side
2,909,596.80x = 5,988,626,701,050.92 - Step 5: Solve for x
x = 5,988,626,701,050.92/2,909,596.80 - Step 6: Final answer
x = 2,058,232.50
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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.