Finding the Fourth Proportional to 1,455,427.40, 2,183,141.10 and 657,609.80
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Solution
The fourth proportional to 1,455,427.40, 2,183,141.10 and 657,609.80 is: 986,414.70
Step by Step Solution
- Step 1: Write the proportion equation
1,455,427.40 : 2,183,141.10 = 657,609.80 : x - Step 2: Convert to fraction form
1,455,427.40/2,183,141.10 = 657,609.80/x - Step 3: Cross multiply
1,455,427.40x = 2,183,141.10 × 657,609.80 - Step 4: Simplify right side
1,455,427.40x = 1,435,654,982,142.78 - Step 5: Solve for x
x = 1,435,654,982,142.78/1,455,427.40 - Step 6: Final answer
x = 986,414.70
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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.