Finding the Fourth Proportional to 5,890,243.43, 8,110,033.18 and 5,005,326.05
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Solution
The fourth proportional to 5,890,243.43, 8,110,033.18 and 5,005,326.05 is: 6,891,626.94
Step by Step Solution
- Step 1: Write the proportion equation
5,890,243.43 : 8,110,033.18 = 5,005,326.05 : x - Step 2: Convert to fraction form
5,890,243.43/8,110,033.18 = 5,005,326.05/x - Step 3: Cross multiply
5,890,243.43x = 8,110,033.18 × 5,005,326.05 - Step 4: Simplify right side
5,890,243.43x = 40,593,360,289,154.86 - Step 5: Solve for x
x = 40,593,360,289,154.86/5,890,243.43 - Step 6: Final answer
x = 6,891,626.94
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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.