Finding the Fourth Proportional to 4,158,712.80, 6,233,403.60 and 2,136,175.20
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Solution
The fourth proportional to 4,158,712.80, 6,233,403.60 and 2,136,175.20 is: 3,201,866.26
Step by Step Solution
- Step 1: Write the proportion equation
4,158,712.80 : 6,233,403.60 = 2,136,175.20 : x - Step 2: Convert to fraction form
4,158,712.80/6,233,403.60 = 2,136,175.20/x - Step 3: Cross multiply
4,158,712.80x = 6,233,403.60 × 2,136,175.20 - Step 4: Simplify right side
4,158,712.80x = 13,315,642,181,910.72 - Step 5: Solve for x
x = 13,315,642,181,910.72/4,158,712.80 - Step 6: Final answer
x = 3,201,866.26
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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.