Finding the Fourth Proportional to 1,474,302.15, 2,035,164.68 and 991,147.49
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Solution
The fourth proportional to 1,474,302.15, 2,035,164.68 and 991,147.49 is: 1,368,205.53
Step by Step Solution
- Step 1: Write the proportion equation
1,474,302.15 : 2,035,164.68 = 991,147.49 : x - Step 2: Convert to fraction form
1,474,302.15/2,035,164.68 = 991,147.49/x - Step 3: Cross multiply
1,474,302.15x = 2,035,164.68 × 991,147.49 - Step 4: Simplify right side
1,474,302.15x = 2,017,148,359,142.01 - Step 5: Solve for x
x = 2,017,148,359,142.01/1,474,302.15 - Step 6: Final answer
x = 1,368,205.53
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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.