Finding the Fourth Proportional to 3,187,247.87, 4,398,274.08 and 1,736,912.09
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Solution
The fourth proportional to 3,187,247.87, 4,398,274.08 and 1,736,912.09 is: 2,396,868.94
Step by Step Solution
- Step 1: Write the proportion equation
3,187,247.87 : 4,398,274.08 = 1,736,912.09 : x - Step 2: Convert to fraction form
3,187,247.87/4,398,274.08 = 1,736,912.09/x - Step 3: Cross multiply
3,187,247.87x = 4,398,274.08 × 1,736,912.09 - Step 4: Simplify right side
3,187,247.87x = 7,639,415,435,681.31 - Step 5: Solve for x
x = 7,639,415,435,681.31/3,187,247.87 - Step 6: Final answer
x = 2,396,868.94
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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.