Finding the Fourth Proportional to 5,145,878.24, 7,717,733.76 and 3,318,770.24
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Solution
The fourth proportional to 5,145,878.24, 7,717,733.76 and 3,318,770.24 is: 4,977,456.51
Step by Step Solution
- Step 1: Write the proportion equation
5,145,878.24 : 7,717,733.76 = 3,318,770.24 : x - Step 2: Convert to fraction form
5,145,878.24/7,717,733.76 = 3,318,770.24/x - Step 3: Cross multiply
5,145,878.24x = 7,717,733.76 × 3,318,770.24 - Step 4: Simplify right side
5,145,878.24x = 25,613,385,122,931.30 - Step 5: Solve for x
x = 25,613,385,122,931.30/5,145,878.24 - Step 6: Final answer
x = 4,977,456.51
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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.