Finding the Fourth Proportional to 1,960,172.80, 2,940,359.68 and 540,197.44
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Solution
The fourth proportional to 1,960,172.80, 2,940,359.68 and 540,197.44 is: 810,323.85
Step by Step Solution
- Step 1: Write the proportion equation
1,960,172.80 : 2,940,359.68 = 540,197.44 : x - Step 2: Convert to fraction form
1,960,172.80/2,940,359.68 = 540,197.44/x - Step 3: Cross multiply
1,960,172.80x = 2,940,359.68 × 540,197.44 - Step 4: Simplify right side
1,960,172.80x = 1,588,374,771,815.22 - Step 5: Solve for x
x = 1,588,374,771,815.22/1,960,172.80 - Step 6: Final answer
x = 810,323.85
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1.5x scale
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.