Finding the Fourth Proportional to 2,138,346.92, 3,207,999 and 718,364.18
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Solution
The fourth proportional to 2,138,346.92, 3,207,999 and 718,364.18 is: 1,077,707.06
Step by Step Solution
- Step 1: Write the proportion equation
2,138,346.92 : 3,207,999 = 718,364.18 : x - Step 2: Convert to fraction form
2,138,346.92/3,207,999 = 718,364.18/x - Step 3: Cross multiply
2,138,346.92x = 3,207,999 × 718,364.18 - Step 4: Simplify right side
2,138,346.92x = 2,304,511,571,075.82 - Step 5: Solve for x
x = 2,304,511,571,075.82/2,138,346.92 - Step 6: Final answer
x = 1,077,707.06
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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.