Finding the Fourth Proportional to 2,252,567.13, 3,108,517.88 and 1,220,049.25
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Solution
The fourth proportional to 2,252,567.13, 3,108,517.88 and 1,220,049.25 is: 1,683,654.55
Step by Step Solution
- Step 1: Write the proportion equation
2,252,567.13 : 3,108,517.88 = 1,220,049.25 : x - Step 2: Convert to fraction form
2,252,567.13/3,108,517.88 = 1,220,049.25/x - Step 3: Cross multiply
2,252,567.13x = 3,108,517.88 × 1,220,049.25 - Step 4: Simplify right side
2,252,567.13x = 3,792,544,908,105.59 - Step 5: Solve for x
x = 3,792,544,908,105.59/2,252,567.13 - Step 6: Final answer
x = 1,683,654.55
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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.