Finding the Fourth Proportional to 1,664,625.76, 2,297,194.28 and 976,157.48
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Solution
The fourth proportional to 1,664,625.76, 2,297,194.28 and 976,157.48 is: 1,347,103.62
Step by Step Solution
- Step 1: Write the proportion equation
1,664,625.76 : 2,297,194.28 = 976,157.48 : x - Step 2: Convert to fraction form
1,664,625.76/2,297,194.28 = 976,157.48/x - Step 3: Cross multiply
1,664,625.76x = 2,297,194.28 × 976,157.48 - Step 4: Simplify right side
1,664,625.76x = 2,242,423,379,435.21 - Step 5: Solve for x
x = 2,242,423,379,435.21/1,664,625.76 - Step 6: Final answer
x = 1,347,103.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.