Finding the Fourth Proportional to 5,789,014.44, 7,989,330.42 and 3,211,525.56
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Solution
The fourth proportional to 5,789,014.44, 7,989,330.42 and 3,211,525.56 is: 4,432,177.38
Step by Step Solution
- Step 1: Write the proportion equation
5,789,014.44 : 7,989,330.42 = 3,211,525.56 : x - Step 2: Convert to fraction form
5,789,014.44/7,989,330.42 = 3,211,525.56/x - Step 3: Cross multiply
5,789,014.44x = 7,989,330.42 × 3,211,525.56 - Step 4: Simplify right side
5,789,014.44x = 25,657,938,851,115.54 - Step 5: Solve for x
x = 25,657,938,851,115.54/5,789,014.44 - Step 6: Final answer
x = 4,432,177.38
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1.5x scale
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.