Finding the Fourth Proportional to 1,516,228.82, 2,274,334.05 and 378,985.31
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Solution
The fourth proportional to 1,516,228.82, 2,274,334.05 and 378,985.31 is: 568,475.67
Step by Step Solution
- Step 1: Write the proportion equation
1,516,228.82 : 2,274,334.05 = 378,985.31 : x - Step 2: Convert to fraction form
1,516,228.82/2,274,334.05 = 378,985.31/x - Step 3: Cross multiply
1,516,228.82x = 2,274,334.05 × 378,985.31 - Step 4: Simplify right side
1,516,228.82x = 861,939,194,982.81 - Step 5: Solve for x
x = 861,939,194,982.81/1,516,228.82 - Step 6: Final answer
x = 568,475.67
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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.