Finding the Fourth Proportional to 5,718,672.20, 8,581,118.70 and 2,353,219.40
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Solution
The fourth proportional to 5,718,672.20, 8,581,118.70 and 2,353,219.40 is: 3,531,109.02
Step by Step Solution
- Step 1: Write the proportion equation
5,718,672.20 : 8,581,118.70 = 2,353,219.40 : x - Step 2: Convert to fraction form
5,718,672.20/8,581,118.70 = 2,353,219.40/x - Step 3: Cross multiply
5,718,672.20x = 8,581,118.70 × 2,353,219.40 - Step 4: Simplify right side
5,718,672.20x = 20,193,254,998,542.78 - Step 5: Solve for x
x = 20,193,254,998,542.78/5,718,672.20 - Step 6: Final answer
x = 3,531,109.02
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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.