Finding the Fourth Proportional to 4,381,415.20, 6,561,063.60 and 3,253,376.80
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Solution
The fourth proportional to 4,381,415.20, 6,561,063.60 and 3,253,376.80 is: 4,871,853.30
Step by Step Solution
- Step 1: Write the proportion equation
4,381,415.20 : 6,561,063.60 = 3,253,376.80 : x - Step 2: Convert to fraction form
4,381,415.20/6,561,063.60 = 3,253,376.80/x - Step 3: Cross multiply
4,381,415.20x = 6,561,063.60 × 3,253,376.80 - Step 4: Simplify right side
4,381,415.20x = 21,345,612,099,564.48 - Step 5: Solve for x
x = 21,345,612,099,564.48/4,381,415.20 - Step 6: Final answer
x = 4,871,853.30
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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.