Finding the Fourth Proportional to 2,878,446.48, 4,322,815.92 and 2,762,728.44
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Solution
The fourth proportional to 2,878,446.48, 4,322,815.92 and 2,762,728.44 is: 4,149,031.97
Step by Step Solution
- Step 1: Write the proportion equation
2,878,446.48 : 4,322,815.92 = 2,762,728.44 : x - Step 2: Convert to fraction form
2,878,446.48/4,322,815.92 = 2,762,728.44/x - Step 3: Cross multiply
2,878,446.48x = 4,322,815.92 × 2,762,728.44 - Step 4: Simplify right side
2,878,446.48x = 11,942,766,483,068.76 - Step 5: Solve for x
x = 11,942,766,483,068.76/2,878,446.48 - Step 6: Final answer
x = 4,149,031.97
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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.