Finding the Fourth Proportional to 3,979,363.91, 5,970,307.55 and 1,420,524.02
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Solution
The fourth proportional to 3,979,363.91, 5,970,307.55 and 1,420,524.02 is: 2,131,236.42
Step by Step Solution
- Step 1: Write the proportion equation
3,979,363.91 : 5,970,307.55 = 1,420,524.02 : x - Step 2: Convert to fraction form
3,979,363.91/5,970,307.55 = 1,420,524.02/x - Step 3: Cross multiply
3,979,363.91x = 5,970,307.55 × 1,420,524.02 - Step 4: Simplify right side
3,979,363.91x = 8,480,965,289,385.50 - Step 5: Solve for x
x = 8,480,965,289,385.50/3,979,363.91 - Step 6: Final answer
x = 2,131,236.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.