Finding the Fourth Proportional to 2,393,844.74, 3,299,646.65 and 1,619,193.07
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Solution
The fourth proportional to 2,393,844.74, 3,299,646.65 and 1,619,193.07 is: 2,231,876.15
Step by Step Solution
- Step 1: Write the proportion equation
2,393,844.74 : 3,299,646.65 = 1,619,193.07 : x - Step 2: Convert to fraction form
2,393,844.74/3,299,646.65 = 1,619,193.07/x - Step 3: Cross multiply
2,393,844.74x = 3,299,646.65 × 1,619,193.07 - Step 4: Simplify right side
2,393,844.74x = 5,342,764,989,128.72 - Step 5: Solve for x
x = 5,342,764,989,128.72/2,393,844.74 - Step 6: Final answer
x = 2,231,876.15
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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.