Finding the Fourth Proportional to 2,121,857.60, 3,182,755.20 and 524,420.82
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Solution
The fourth proportional to 2,121,857.60, 3,182,755.20 and 524,420.82 is: 786,623.52
Step by Step Solution
- Step 1: Write the proportion equation
2,121,857.60 : 3,182,755.20 = 524,420.82 : x - Step 2: Convert to fraction form
2,121,857.60/3,182,755.20 = 524,420.82/x - Step 3: Cross multiply
2,121,857.60x = 3,182,755.20 × 524,420.82 - Step 4: Simplify right side
2,121,857.60x = 1,669,103,091,843.26 - Step 5: Solve for x
x = 1,669,103,091,843.26/2,121,857.60 - Step 6: Final answer
x = 786,623.52
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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.