Finding the Fourth Proportional to 5,791,885.80, 8,691,975.90 and 2,428,506.60
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Solution
The fourth proportional to 5,791,885.80, 8,691,975.90 and 2,428,506.60 is: 3,644,498.80
Step by Step Solution
- Step 1: Write the proportion equation
5,791,885.80 : 8,691,975.90 = 2,428,506.60 : x - Step 2: Convert to fraction form
5,791,885.80/8,691,975.90 = 2,428,506.60/x - Step 3: Cross multiply
5,791,885.80x = 8,691,975.90 × 2,428,506.60 - Step 4: Simplify right side
5,791,885.80x = 21,108,520,840,190.94 - Step 5: Solve for x
x = 21,108,520,840,190.94/5,791,885.80 - Step 6: Final answer
x = 3,644,498.80
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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.