Finding the Fourth Proportional to 1,449,414.80, 2,174,122.20 and 917,536.40
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Solution
The fourth proportional to 1,449,414.80, 2,174,122.20 and 917,536.40 is: 1,376,304.60
Step by Step Solution
- Step 1: Write the proportion equation
1,449,414.80 : 2,174,122.20 = 917,536.40 : x - Step 2: Convert to fraction form
1,449,414.80/2,174,122.20 = 917,536.40/x - Step 3: Cross multiply
1,449,414.80x = 2,174,122.20 × 917,536.40 - Step 4: Simplify right side
1,449,414.80x = 1,994,836,256,548.08 - Step 5: Solve for x
x = 1,994,836,256,548.08/1,449,414.80 - Step 6: Final answer
x = 1,376,304.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.