Finding the Fourth Proportional to 3,872,668.92, 5,344,675.02 and 2,219,035.02
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Solution
The fourth proportional to 3,872,668.92, 5,344,675.02 and 2,219,035.02 is: 3,062,492.89
Step by Step Solution
- Step 1: Write the proportion equation
3,872,668.92 : 5,344,675.02 = 2,219,035.02 : x - Step 2: Convert to fraction form
3,872,668.92/5,344,675.02 = 2,219,035.02/x - Step 3: Cross multiply
3,872,668.92x = 5,344,675.02 × 2,219,035.02 - Step 4: Simplify right side
3,872,668.92x = 11,860,021,039,899.20 - Step 5: Solve for x
x = 11,860,021,039,899.20/3,872,668.92 - Step 6: Final answer
x = 3,062,492.89
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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.