Finding the Fourth Proportional to 2,252,796.76, 3,108,874.46 and 1,220,304.54
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Solution
The fourth proportional to 2,252,796.76, 3,108,874.46 and 1,220,304.54 is: 1,684,028.35
Step by Step Solution
- Step 1: Write the proportion equation
2,252,796.76 : 3,108,874.46 = 1,220,304.54 : x - Step 2: Convert to fraction form
2,252,796.76/3,108,874.46 = 1,220,304.54/x - Step 3: Cross multiply
2,252,796.76x = 3,108,874.46 × 1,220,304.54 - Step 4: Simplify right side
2,252,796.76x = 3,793,773,617,828.05 - Step 5: Solve for x
x = 3,793,773,617,828.05/2,252,796.76 - Step 6: Final answer
x = 1,684,028.35
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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.