Finding the Fourth Proportional to 2,702,415.46, 3,729,416.99 and 1,478,772.56
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Solution
The fourth proportional to 2,702,415.46, 3,729,416.99 and 1,478,772.56 is: 2,040,751.91
Step by Step Solution
- Step 1: Write the proportion equation
2,702,415.46 : 3,729,416.99 = 1,478,772.56 : x - Step 2: Convert to fraction form
2,702,415.46/3,729,416.99 = 1,478,772.56/x - Step 3: Cross multiply
2,702,415.46x = 3,729,416.99 × 1,478,772.56 - Step 4: Simplify right side
2,702,415.46x = 5,514,959,503,983.18 - Step 5: Solve for x
x = 5,514,959,503,983.18/2,702,415.46 - Step 6: Final answer
x = 2,040,751.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.