Finding the Fourth Proportional to 5,451,815.44, 7,523,328.90 and 3,129,090.28
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Solution
The fourth proportional to 5,451,815.44, 7,523,328.90 and 3,129,090.28 is: 4,318,043.34
Step by Step Solution
- Step 1: Write the proportion equation
5,451,815.44 : 7,523,328.90 = 3,129,090.28 : x - Step 2: Convert to fraction form
5,451,815.44/7,523,328.90 = 3,129,090.28/x - Step 3: Cross multiply
5,451,815.44x = 7,523,328.90 × 3,129,090.28 - Step 4: Simplify right side
5,451,815.44x = 23,541,175,334,233.09 - Step 5: Solve for x
x = 23,541,175,334,233.09/5,451,815.44 - Step 6: Final answer
x = 4,318,043.34
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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.