Finding the Fourth Proportional to 2,898,122.72, 3,999,331.50 and 1,737,224.80
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Solution
The fourth proportional to 2,898,122.72, 3,999,331.50 and 1,737,224.80 is: 2,397,323.56
Step by Step Solution
- Step 1: Write the proportion equation
2,898,122.72 : 3,999,331.50 = 1,737,224.80 : x - Step 2: Convert to fraction form
2,898,122.72/3,999,331.50 = 1,737,224.80/x - Step 3: Cross multiply
2,898,122.72x = 3,999,331.50 × 1,737,224.80 - Step 4: Simplify right side
2,898,122.72x = 6,947,737,865,221.20 - Step 5: Solve for x
x = 6,947,737,865,221.20/2,898,122.72 - Step 6: Final answer
x = 2,397,323.56
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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.