Finding the Fourth Proportional to 1,474,299.75, 2,035,161.41 and 991,145.15
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Solution
The fourth proportional to 1,474,299.75, 2,035,161.41 and 991,145.15 is: 1,368,202.34
Step by Step Solution
- Step 1: Write the proportion equation
1,474,299.75 : 2,035,161.41 = 991,145.15 : x - Step 2: Convert to fraction form
1,474,299.75/2,035,161.41 = 991,145.15/x - Step 3: Cross multiply
1,474,299.75x = 2,035,161.41 × 991,145.15 - Step 4: Simplify right side
1,474,299.75x = 2,017,140,360,988.66 - Step 5: Solve for x
x = 2,017,140,360,988.66/1,474,299.75 - Step 6: Final answer
x = 1,368,202.34
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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.