Finding the Fourth Proportional to 3,187,528.58, 4,398,661.39 and 1,737,192.94
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Solution
The fourth proportional to 3,187,528.58, 4,398,661.39 and 1,737,192.94 is: 2,397,256.47
Step by Step Solution
- Step 1: Write the proportion equation
3,187,528.58 : 4,398,661.39 = 1,737,192.94 : x - Step 2: Convert to fraction form
3,187,528.58/4,398,661.39 = 1,737,192.94/x - Step 3: Cross multiply
3,187,528.58x = 4,398,661.39 × 1,737,192.94 - Step 4: Simplify right side
3,187,528.58x = 7,641,323,512,158.59 - Step 5: Solve for x
x = 7,641,323,512,158.59/3,187,528.58 - Step 6: Final answer
x = 2,397,256.47
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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.