Finding the Fourth Proportional to 1,474,300.26, 2,035,162.11 and 991,145.63
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Solution
The fourth proportional to 1,474,300.26, 2,035,162.11 and 991,145.63 is: 1,368,202.99
Step by Step Solution
- Step 1: Write the proportion equation
1,474,300.26 : 2,035,162.11 = 991,145.63 : x - Step 2: Convert to fraction form
1,474,300.26/2,035,162.11 = 991,145.63/x - Step 3: Cross multiply
1,474,300.26x = 2,035,162.11 × 991,145.63 - Step 4: Simplify right side
1,474,300.26x = 2,017,142,021,492.27 - Step 5: Solve for x
x = 2,017,142,021,492.27/1,474,300.26 - Step 6: Final answer
x = 1,368,202.99
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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.