Finding the Fourth Proportional to 3,739,276.28, 5,160,597.99 and 2,191,838.17
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Solution
The fourth proportional to 3,739,276.28, 5,160,597.99 and 2,191,838.17 is: 3,024,969.22
Step by Step Solution
- Step 1: Write the proportion equation
3,739,276.28 : 5,160,597.99 = 2,191,838.17 : x - Step 2: Convert to fraction form
3,739,276.28/5,160,597.99 = 2,191,838.17/x - Step 3: Cross multiply
3,739,276.28x = 5,160,597.99 × 2,191,838.17 - Step 4: Simplify right side
3,739,276.28x = 11,311,195,643,548.09 - Step 5: Solve for x
x = 11,311,195,643,548.09/3,739,276.28 - Step 6: Final answer
x = 3,024,969.22
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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.