Finding the Fourth Proportional to 3,476,727.60, 5,202,649.80 and 3,178,129.20
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Solution
The fourth proportional to 3,476,727.60, 5,202,649.80 and 3,178,129.20 is: 4,755,820.75
Step by Step Solution
- Step 1: Write the proportion equation
3,476,727.60 : 5,202,649.80 = 3,178,129.20 : x - Step 2: Convert to fraction form
3,476,727.60/5,202,649.80 = 3,178,129.20/x - Step 3: Cross multiply
3,476,727.60x = 5,202,649.80 × 3,178,129.20 - Step 4: Simplify right side
3,476,727.60x = 16,534,693,246,754.16 - Step 5: Solve for x
x = 16,534,693,246,754.16/3,476,727.60 - Step 6: Final answer
x = 4,755,820.75
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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.