Finding the Fourth Proportional to 4,868,100.62, 7,301,947.91 and 1,273,787.99
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Solution
The fourth proportional to 4,868,100.62, 7,301,947.91 and 1,273,787.99 is: 1,910,628.87
Step by Step Solution
- Step 1: Write the proportion equation
4,868,100.62 : 7,301,947.91 = 1,273,787.99 : x - Step 2: Convert to fraction form
4,868,100.62/7,301,947.91 = 1,273,787.99/x - Step 3: Cross multiply
4,868,100.62x = 7,301,947.91 × 1,273,787.99 - Step 4: Simplify right side
4,868,100.62x = 9,301,133,577,299.85 - Step 5: Solve for x
x = 9,301,133,577,299.85/4,868,100.62 - Step 6: Final answer
x = 1,910,628.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.