Finding the Fourth Proportional to 4,158,052.60, 6,236,495.70 and 1,318,451.80
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Solution
The fourth proportional to 4,158,052.60, 6,236,495.70 and 1,318,451.80 is: 1,977,492.78
Step by Step Solution
- Step 1: Write the proportion equation
4,158,052.60 : 6,236,495.70 = 1,318,451.80 : x - Step 2: Convert to fraction form
4,158,052.60/6,236,495.70 = 1,318,451.80/x - Step 3: Cross multiply
4,158,052.60x = 6,236,495.70 × 1,318,451.80 - Step 4: Simplify right side
4,158,052.60x = 8,222,518,981,357.26 - Step 5: Solve for x
x = 8,222,518,981,357.26/4,158,052.60 - Step 6: Final answer
x = 1,977,492.78
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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.