Finding the Fourth Proportional to 1,474,311.17, 2,035,177.11 and 991,156.50
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Solution
The fourth proportional to 1,474,311.17, 2,035,177.11 and 991,156.50 is: 1,368,217.96
Step by Step Solution
- Step 1: Write the proportion equation
1,474,311.17 : 2,035,177.11 = 991,156.50 : x - Step 2: Convert to fraction form
1,474,311.17/2,035,177.11 = 991,156.50/x - Step 3: Cross multiply
1,474,311.17x = 2,035,177.11 × 991,156.50 - Step 4: Simplify right side
1,474,311.17x = 2,017,179,021,227.72 - Step 5: Solve for x
x = 2,017,179,021,227.72/1,474,311.17 - Step 6: Final answer
x = 1,368,217.96
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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.