Finding the Fourth Proportional to 5,638,271.40, 8,451,502.20 and 2,225,239.20
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Solution
The fourth proportional to 5,638,271.40, 8,451,502.20 and 2,225,239.20 is: 3,335,528.33
Step by Step Solution
- Step 1: Write the proportion equation
5,638,271.40 : 8,451,502.20 = 2,225,239.20 : x - Step 2: Convert to fraction form
5,638,271.40/8,451,502.20 = 2,225,239.20/x - Step 3: Cross multiply
5,638,271.40x = 8,451,502.20 × 2,225,239.20 - Step 4: Simplify right side
5,638,271.40x = 18,806,613,994,326.24 - Step 5: Solve for x
x = 18,806,613,994,326.24/5,638,271.40 - Step 6: Final answer
x = 3,335,528.33
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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.