Finding the Fourth Proportional to 4,875,439.26, 6,728,215.07 and 2,782,240.02
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Solution
The fourth proportional to 4,875,439.26, 6,728,215.07 and 2,782,240.02 is: 3,839,553.37
Step by Step Solution
- Step 1: Write the proportion equation
4,875,439.26 : 6,728,215.07 = 2,782,240.02 : x - Step 2: Convert to fraction form
4,875,439.26/6,728,215.07 = 2,782,240.02/x - Step 3: Cross multiply
4,875,439.26x = 6,728,215.07 × 2,782,240.02 - Step 4: Simplify right side
4,875,439.26x = 18,719,509,230,921.10 - Step 5: Solve for x
x = 18,719,509,230,921.10/4,875,439.26 - Step 6: Final answer
x = 3,839,553.37
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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.