Finding the Fourth Proportional to 2,972,469.24, 4,102,260.52 and 1,683,538.92
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Solution
The fourth proportional to 2,972,469.24, 4,102,260.52 and 1,683,538.92 is: 2,323,426.99
Step by Step Solution
- Step 1: Write the proportion equation
2,972,469.24 : 4,102,260.52 = 1,683,538.92 : x - Step 2: Convert to fraction form
2,972,469.24/4,102,260.52 = 1,683,538.92/x - Step 3: Cross multiply
2,972,469.24x = 4,102,260.52 × 1,683,538.92 - Step 4: Simplify right side
2,972,469.24x = 6,906,315,245,399.44 - Step 5: Solve for x
x = 6,906,315,245,399.44/2,972,469.24 - Step 6: Final answer
x = 2,323,426.99
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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.