Finding the Fourth Proportional to 3,042,907.75, 4,199,343.92 and 1,684,780.75
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Solution
The fourth proportional to 3,042,907.75, 4,199,343.92 and 1,684,780.75 is: 2,325,070.09
Step by Step Solution
- Step 1: Write the proportion equation
3,042,907.75 : 4,199,343.92 = 1,684,780.75 : x - Step 2: Convert to fraction form
3,042,907.75/4,199,343.92 = 1,684,780.75/x - Step 3: Cross multiply
3,042,907.75x = 4,199,343.92 × 1,684,780.75 - Step 4: Simplify right side
3,042,907.75x = 7,074,973,799,045.54 - Step 5: Solve for x
x = 7,074,973,799,045.54/3,042,907.75 - Step 6: Final answer
x = 2,325,070.09
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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.