Finding the Fourth Proportional to 4,198,803.87, 6,299,205.20 and 1,358,916.03
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Solution
The fourth proportional to 4,198,803.87, 6,299,205.20 and 1,358,916.03 is: 2,038,697.49
Step by Step Solution
- Step 1: Write the proportion equation
4,198,803.87 : 6,299,205.20 = 1,358,916.03 : x - Step 2: Convert to fraction form
4,198,803.87/6,299,205.20 = 1,358,916.03/x - Step 3: Cross multiply
4,198,803.87x = 6,299,205.20 × 1,358,916.03 - Step 4: Simplify right side
4,198,803.87x = 8,560,090,915,744.78 - Step 5: Solve for x
x = 8,560,090,915,744.78/4,198,803.87 - Step 6: Final answer
x = 2,038,697.49
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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.