Finding the Fourth Proportional to 3,469,257.99, 4,787,632.71 and 1,899,363.63
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Solution
The fourth proportional to 3,469,257.99, 4,787,632.71 and 1,899,363.63 is: 2,621,152.84
Step by Step Solution
- Step 1: Write the proportion equation
3,469,257.99 : 4,787,632.71 = 1,899,363.63 : x - Step 2: Convert to fraction form
3,469,257.99/4,787,632.71 = 1,899,363.63/x - Step 3: Cross multiply
3,469,257.99x = 4,787,632.71 × 1,899,363.63 - Step 4: Simplify right side
3,469,257.99x = 9,093,455,440,928.37 - Step 5: Solve for x
x = 9,093,455,440,928.37/3,469,257.99 - Step 6: Final answer
x = 2,621,152.84
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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.