Finding the Fourth Proportional to 2,825,309.70, 4,237,869.48 and 1,227,872.96
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Solution
The fourth proportional to 2,825,309.70, 4,237,869.48 and 1,227,872.96 is: 1,841,768.12
Step by Step Solution
- Step 1: Write the proportion equation
2,825,309.70 : 4,237,869.48 = 1,227,872.96 : x - Step 2: Convert to fraction form
2,825,309.70/4,237,869.48 = 1,227,872.96/x - Step 3: Cross multiply
2,825,309.70x = 4,237,869.48 × 1,227,872.96 - Step 4: Simplify right side
2,825,309.70x = 5,203,565,342,501.26 - Step 5: Solve for x
x = 5,203,565,342,501.26/2,825,309.70 - Step 6: Final answer
x = 1,841,768.12
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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.