Finding the Fourth Proportional to 5,370,718.62, 7,411,749.21 and 2,923,489.29
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Solution
The fourth proportional to 5,370,718.62, 7,411,749.21 and 2,923,489.29 is: 4,034,500.96
Step by Step Solution
- Step 1: Write the proportion equation
5,370,718.62 : 7,411,749.21 = 2,923,489.29 : x - Step 2: Convert to fraction form
5,370,718.62/7,411,749.21 = 2,923,489.29/x - Step 3: Cross multiply
5,370,718.62x = 7,411,749.21 × 2,923,489.29 - Step 4: Simplify right side
5,370,718.62x = 21,668,169,435,600.96 - Step 5: Solve for x
x = 21,668,169,435,600.96/5,370,718.62 - Step 6: Final answer
x = 4,034,500.96
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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.