Finding the Fourth Proportional to 1,474,317.90, 2,035,186.38 and 991,163.34
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Solution
The fourth proportional to 1,474,317.90, 2,035,186.38 and 991,163.34 is: 1,368,227.39
Step by Step Solution
- Step 1: Write the proportion equation
1,474,317.90 : 2,035,186.38 = 991,163.34 : x - Step 2: Convert to fraction form
1,474,317.90/2,035,186.38 = 991,163.34/x - Step 3: Cross multiply
1,474,317.90x = 2,035,186.38 × 991,163.34 - Step 4: Simplify right side
1,474,317.90x = 2,017,202,129,923.31 - Step 5: Solve for x
x = 2,017,202,129,923.31/1,474,317.90 - Step 6: Final answer
x = 1,368,227.39
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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.