Finding the Fourth Proportional to 1,542,469.99, 2,313,680.14 and 420,538.99
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Solution
The fourth proportional to 1,542,469.99, 2,313,680.14 and 420,538.99 is: 630,801.71
Step by Step Solution
- Step 1: Write the proportion equation
1,542,469.99 : 2,313,680.14 = 420,538.99 : x - Step 2: Convert to fraction form
1,542,469.99/2,313,680.14 = 420,538.99/x - Step 3: Cross multiply
1,542,469.99x = 2,313,680.14 × 420,538.99 - Step 4: Simplify right side
1,542,469.99x = 972,992,709,258.66 - Step 5: Solve for x
x = 972,992,709,258.66/1,542,469.99 - Step 6: Final answer
x = 630,801.71
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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.