Finding the Fourth Proportional to 3,119,740.84, 4,305,330.66 and 1,761,817.96
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Solution
The fourth proportional to 3,119,740.84, 4,305,330.66 and 1,761,817.96 is: 2,431,358.65
Step by Step Solution
- Step 1: Write the proportion equation
3,119,740.84 : 4,305,330.66 = 1,761,817.96 : x - Step 2: Convert to fraction form
3,119,740.84/4,305,330.66 = 1,761,817.96/x - Step 3: Cross multiply
3,119,740.84x = 4,305,330.66 × 1,761,817.96 - Step 4: Simplify right side
3,119,740.84x = 7,585,208,880,526.65 - Step 5: Solve for x
x = 7,585,208,880,526.65/3,119,740.84 - Step 6: Final answer
x = 2,431,358.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.