Finding the Fourth Proportional to 5,492,803.20, 8,239,204.80 and 1,707,446.40
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Solution
The fourth proportional to 5,492,803.20, 8,239,204.80 and 1,707,446.40 is: 2,561,169.60
Step by Step Solution
- Step 1: Write the proportion equation
5,492,803.20 : 8,239,204.80 = 1,707,446.40 : x - Step 2: Convert to fraction form
5,492,803.20/8,239,204.80 = 1,707,446.40/x - Step 3: Cross multiply
5,492,803.20x = 8,239,204.80 × 1,707,446.40 - Step 4: Simplify right side
5,492,803.20x = 14,068,000,574,622.72 - Step 5: Solve for x
x = 14,068,000,574,622.72/5,492,803.20 - Step 6: Final answer
x = 2,561,169.60
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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.