Finding the Fourth Proportional to 4,381,548.40, 6,561,263.40 and 2,877,497.20
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Solution
The fourth proportional to 4,381,548.40, 6,561,263.40 and 2,877,497.20 is: 4,308,982.88
Step by Step Solution
- Step 1: Write the proportion equation
4,381,548.40 : 6,561,263.40 = 2,877,497.20 : x - Step 2: Convert to fraction form
4,381,548.40/6,561,263.40 = 2,877,497.20/x - Step 3: Cross multiply
4,381,548.40x = 6,561,263.40 × 2,877,497.20 - Step 4: Simplify right side
4,381,548.40x = 18,880,017,061,962.48 - Step 5: Solve for x
x = 18,880,017,061,962.48/4,381,548.40 - Step 6: Final answer
x = 4,308,982.88
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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.