Finding the Fourth Proportional to 1,335,608.99, 1,998,624.52 and 1,156,311.10
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Solution
The fourth proportional to 1,335,608.99, 1,998,624.52 and 1,156,311.10 is: 1,730,320.57
Step by Step Solution
- Step 1: Write the proportion equation
1,335,608.99 : 1,998,624.52 = 1,156,311.10 : x - Step 2: Convert to fraction form
1,335,608.99/1,998,624.52 = 1,156,311.10/x - Step 3: Cross multiply
1,335,608.99x = 1,998,624.52 × 1,156,311.10 - Step 4: Simplify right side
1,335,608.99x = 2,311,031,701,433.49 - Step 5: Solve for x
x = 2,311,031,701,433.49/1,335,608.99 - Step 6: Final answer
x = 1,730,320.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.