Finding the Fourth Proportional to 3,779,409.12, 5,215,615.11 and 2,060,542.14
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Solution
The fourth proportional to 3,779,409.12, 5,215,615.11 and 2,060,542.14 is: 2,843,564.80
Step by Step Solution
- Step 1: Write the proportion equation
3,779,409.12 : 5,215,615.11 = 2,060,542.14 : x - Step 2: Convert to fraction form
3,779,409.12/5,215,615.11 = 2,060,542.14/x - Step 3: Cross multiply
3,779,409.12x = 5,215,615.11 × 2,060,542.14 - Step 4: Simplify right side
3,779,409.12x = 10,746,994,720,175.74 - Step 5: Solve for x
x = 10,746,994,720,175.74/3,779,409.12 - Step 6: Final answer
x = 2,843,564.80
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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.