Finding the Fourth Proportional to 5,362,489.54, 7,400,079.99 and 3,039,596.20
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Solution
The fourth proportional to 5,362,489.54, 7,400,079.99 and 3,039,596.20 is: 4,194,554.57
Step by Step Solution
- Step 1: Write the proportion equation
5,362,489.54 : 7,400,079.99 = 3,039,596.20 : x - Step 2: Convert to fraction form
5,362,489.54/7,400,079.99 = 3,039,596.20/x - Step 3: Cross multiply
5,362,489.54x = 7,400,079.99 × 3,039,596.20 - Step 4: Simplify right side
5,362,489.54x = 22,493,255,017,300.04 - Step 5: Solve for x
x = 22,493,255,017,300.04/5,362,489.54 - Step 6: Final answer
x = 4,194,554.57
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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.