Finding the Fourth Proportional to 3,796,471.20, 5,238,320.04 and 2,248,219.20
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Solution
The fourth proportional to 3,796,471.20, 5,238,320.04 and 2,248,219.20 is: 3,102,062.70
Step by Step Solution
- Step 1: Write the proportion equation
3,796,471.20 : 5,238,320.04 = 2,248,219.20 : x - Step 2: Convert to fraction form
3,796,471.20/5,238,320.04 = 2,248,219.20/x - Step 3: Cross multiply
3,796,471.20x = 5,238,320.04 × 2,248,219.20 - Step 4: Simplify right side
3,796,471.20x = 11,776,891,689,672.77 - Step 5: Solve for x
x = 11,776,891,689,672.77/3,796,471.20 - Step 6: Final answer
x = 3,102,062.70
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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.