Finding the Fourth Proportional to 5,108,920.66, 7,663,380.98 and 3,506,626.05
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Solution
The fourth proportional to 5,108,920.66, 7,663,380.98 and 3,506,626.05 is: 5,259,939.07
Step by Step Solution
- Step 1: Write the proportion equation
5,108,920.66 : 7,663,380.98 = 3,506,626.05 : x - Step 2: Convert to fraction form
5,108,920.66/7,663,380.98 = 3,506,626.05/x - Step 3: Cross multiply
5,108,920.66x = 7,663,380.98 × 3,506,626.05 - Step 4: Simplify right side
5,108,920.66x = 26,872,611,375,542.53 - Step 5: Solve for x
x = 26,872,611,375,542.53/5,108,920.66 - Step 6: Final answer
x = 5,259,939.07
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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.