Finding the Fourth Proportional to 1,609,814.40, 2,416,276.80 and 979,958.40
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Solution
The fourth proportional to 1,609,814.40, 2,416,276.80 and 979,958.40 is: 1,470,884.31
Step by Step Solution
- Step 1: Write the proportion equation
1,609,814.40 : 2,416,276.80 = 979,958.40 : x - Step 2: Convert to fraction form
1,609,814.40/2,416,276.80 = 979,958.40/x - Step 3: Cross multiply
1,609,814.40x = 2,416,276.80 × 979,958.40 - Step 4: Simplify right side
1,609,814.40x = 2,367,850,746,885.12 - Step 5: Solve for x
x = 2,367,850,746,885.12/1,609,814.40 - Step 6: Final answer
x = 1,470,884.31
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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.