Finding the Fourth Proportional to 1,505,612.28, 2,077,476.84 and 852,235.20
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Solution
The fourth proportional to 1,505,612.28, 2,077,476.84 and 852,235.20 is: 1,175,932.82
Step by Step Solution
- Step 1: Write the proportion equation
1,505,612.28 : 2,077,476.84 = 852,235.20 : x - Step 2: Convert to fraction form
1,505,612.28/2,077,476.84 = 852,235.20/x - Step 3: Cross multiply
1,505,612.28x = 2,077,476.84 × 852,235.20 - Step 4: Simplify right side
1,505,612.28x = 1,770,498,890,232.77 - Step 5: Solve for x
x = 1,770,498,890,232.77/1,505,612.28 - Step 6: Final answer
x = 1,175,932.82
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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.