Finding the Fourth Proportional to 3,394,803.66, 4,684,735.62 and 1,866,910.79
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Solution
The fourth proportional to 3,394,803.66, 4,684,735.62 and 1,866,910.79 is: 2,576,285.51
Step by Step Solution
- Step 1: Write the proportion equation
3,394,803.66 : 4,684,735.62 = 1,866,910.79 : x - Step 2: Convert to fraction form
3,394,803.66/4,684,735.62 = 1,866,910.79/x - Step 3: Cross multiply
3,394,803.66x = 4,684,735.62 × 1,866,910.79 - Step 4: Simplify right side
3,394,803.66x = 8,745,983,477,275.34 - Step 5: Solve for x
x = 8,745,983,477,275.34/3,394,803.66 - Step 6: Final answer
x = 2,576,285.51
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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.