Finding the Fourth Proportional to 4,521,120.96, 6,782,546.16 and 1,489,365.12
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Solution
The fourth proportional to 4,521,120.96, 6,782,546.16 and 1,489,365.12 is: 2,234,332.54
Step by Step Solution
- Step 1: Write the proportion equation
4,521,120.96 : 6,782,546.16 = 1,489,365.12 : x - Step 2: Convert to fraction form
4,521,120.96/6,782,546.16 = 1,489,365.12/x - Step 3: Cross multiply
4,521,120.96x = 6,782,546.16 × 1,489,365.12 - Step 4: Simplify right side
4,521,120.96x = 10,101,687,675,493.94 - Step 5: Solve for x
x = 10,101,687,675,493.94/4,521,120.96 - Step 6: Final answer
x = 2,234,332.54
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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.