Finding the Fourth Proportional to 2,247,992.20, 3,102,274.50 and 1,229,462.44
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Solution
The fourth proportional to 2,247,992.20, 3,102,274.50 and 1,229,462.44 is: 1,696,682.92
Step by Step Solution
- Step 1: Write the proportion equation
2,247,992.20 : 3,102,274.50 = 1,229,462.44 : x - Step 2: Convert to fraction form
2,247,992.20/3,102,274.50 = 1,229,462.44/x - Step 3: Cross multiply
2,247,992.20x = 3,102,274.50 × 1,229,462.44 - Step 4: Simplify right side
2,247,992.20x = 3,814,129,976,319.78 - Step 5: Solve for x
x = 3,814,129,976,319.78/2,247,992.20 - Step 6: Final answer
x = 1,696,682.92
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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.