Finding the Fourth Proportional to 1,936,439.10, 2,672,286.12 and 1,065,286.08
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Solution
The fourth proportional to 1,936,439.10, 2,672,286.12 and 1,065,286.08 is: 1,470,094.88
Step by Step Solution
- Step 1: Write the proportion equation
1,936,439.10 : 2,672,286.12 = 1,065,286.08 : x - Step 2: Convert to fraction form
1,936,439.10/2,672,286.12 = 1,065,286.08/x - Step 3: Cross multiply
1,936,439.10x = 2,672,286.12 × 1,065,286.08 - Step 4: Simplify right side
1,936,439.10x = 2,846,749,205,413.21 - Step 5: Solve for x
x = 2,846,749,205,413.21/1,936,439.10 - Step 6: Final answer
x = 1,470,094.88
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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.