Finding the Fourth Proportional to 5,446,871.32, 7,516,703.76 and 3,271,451.44
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Solution
The fourth proportional to 5,446,871.32, 7,516,703.76 and 3,271,451.44 is: 4,514,615.80
Step by Step Solution
- Step 1: Write the proportion equation
5,446,871.32 : 7,516,703.76 = 3,271,451.44 : x - Step 2: Convert to fraction form
5,446,871.32/7,516,703.76 = 3,271,451.44/x - Step 3: Cross multiply
5,446,871.32x = 7,516,703.76 × 3,271,451.44 - Step 4: Simplify right side
5,446,871.32x = 24,590,531,339,705.41 - Step 5: Solve for x
x = 24,590,531,339,705.41/5,446,871.32 - Step 6: Final answer
x = 4,514,615.80
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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.