Finding the Fourth Proportional to 2,100,813.06, 3,150,558.63 and 680,539.62
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Solution
The fourth proportional to 2,100,813.06, 3,150,558.63 and 680,539.62 is: 1,020,595.32
Step by Step Solution
- Step 1: Write the proportion equation
2,100,813.06 : 3,150,558.63 = 680,539.62 : x - Step 2: Convert to fraction form
2,100,813.06/3,150,558.63 = 680,539.62/x - Step 3: Cross multiply
2,100,813.06x = 3,150,558.63 × 680,539.62 - Step 4: Simplify right side
2,100,813.06x = 2,144,079,972,847.92 - Step 5: Solve for x
x = 2,144,079,972,847.92/2,100,813.06 - Step 6: Final answer
x = 1,020,595.32
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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.