Finding the Fourth Proportional to 3,190,907.75, 4,786,403.30 and 1,060,991.87
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Solution
The fourth proportional to 3,190,907.75, 4,786,403.30 and 1,060,991.87 is: 1,591,501.66
Step by Step Solution
- Step 1: Write the proportion equation
3,190,907.75 : 4,786,403.30 = 1,060,991.87 : x - Step 2: Convert to fraction form
3,190,907.75/4,786,403.30 = 1,060,991.87/x - Step 3: Cross multiply
3,190,907.75x = 4,786,403.30 × 1,060,991.87 - Step 4: Simplify right side
3,190,907.75x = 5,078,334,987,841.17 - Step 5: Solve for x
x = 5,078,334,987,841.17/3,190,907.75 - Step 6: Final answer
x = 1,591,501.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.