Finding the Fourth Proportional to 1,609,859.30, 2,415,080.55 and 809,125.70
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Solution
The fourth proportional to 1,609,859.30, 2,415,080.55 and 809,125.70 is: 1,213,835.11
Step by Step Solution
- Step 1: Write the proportion equation
1,609,859.30 : 2,415,080.55 = 809,125.70 : x - Step 2: Convert to fraction form
1,609,859.30/2,415,080.55 = 809,125.70/x - Step 3: Cross multiply
1,609,859.30x = 2,415,080.55 × 809,125.70 - Step 4: Simplify right side
1,609,859.30x = 1,954,103,740,575.13 - Step 5: Solve for x
x = 1,954,103,740,575.13/1,609,859.30 - Step 6: Final answer
x = 1,213,835.11
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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.