Finding the Fourth Proportional to 4,188,310.94, 5,780,366.75 and 2,352,772.78
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Solution
The fourth proportional to 4,188,310.94, 5,780,366.75 and 2,352,772.78 is: 3,247,105.99
Step by Step Solution
- Step 1: Write the proportion equation
4,188,310.94 : 5,780,366.75 = 2,352,772.78 : x - Step 2: Convert to fraction form
4,188,310.94/5,780,366.75 = 2,352,772.78/x - Step 3: Cross multiply
4,188,310.94x = 5,780,366.75 × 2,352,772.78 - Step 4: Simplify right side
4,188,310.94x = 13,599,889,539,248.08 - Step 5: Solve for x
x = 13,599,889,539,248.08/4,188,310.94 - Step 6: Final answer
x = 3,247,105.99
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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.