Finding the Fourth Proportional to 2,052,120.96, 2,831,909.76 and 1,146,703.68
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Solution
The fourth proportional to 2,052,120.96, 2,831,909.76 and 1,146,703.68 is: 1,582,441.49
Step by Step Solution
- Step 1: Write the proportion equation
2,052,120.96 : 2,831,909.76 = 1,146,703.68 : x - Step 2: Convert to fraction form
2,052,120.96/2,831,909.76 = 1,146,703.68/x - Step 3: Cross multiply
2,052,120.96x = 2,831,909.76 × 1,146,703.68 - Step 4: Simplify right side
2,052,120.96x = 3,247,361,343,219.92 - Step 5: Solve for x
x = 3,247,361,343,219.92/2,052,120.96 - Step 6: Final answer
x = 1,582,441.49
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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.