Finding the Fourth Proportional to 5,372,990.76, 8,059,477.50 and 3,684,976.68
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Solution
The fourth proportional to 5,372,990.76, 8,059,477.50 and 3,684,976.68 is: 5,527,459.09
Step by Step Solution
- Step 1: Write the proportion equation
5,372,990.76 : 8,059,477.50 = 3,684,976.68 : x - Step 2: Convert to fraction form
5,372,990.76/8,059,477.50 = 3,684,976.68/x - Step 3: Cross multiply
5,372,990.76x = 8,059,477.50 × 3,684,976.68 - Step 4: Simplify right side
5,372,990.76x = 29,698,986,640,484.70 - Step 5: Solve for x
x = 29,698,986,640,484.70/5,372,990.76 - Step 6: Final answer
x = 5,527,459.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.