Finding the Fourth Proportional to 1,616,815.22, 2,423,067.55 and 764,113.03
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Solution
The fourth proportional to 1,616,815.22, 2,423,067.55 and 764,113.03 is: 1,145,150.95
Step by Step Solution
- Step 1: Write the proportion equation
1,616,815.22 : 2,423,067.55 = 764,113.03 : x - Step 2: Convert to fraction form
1,616,815.22/2,423,067.55 = 764,113.03/x - Step 3: Cross multiply
1,616,815.22x = 2,423,067.55 × 764,113.03 - Step 4: Simplify right side
1,616,815.22x = 1,851,497,479,557.23 - Step 5: Solve for x
x = 1,851,497,479,557.23/1,616,815.22 - Step 6: Final answer
x = 1,145,150.95
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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.