Finding the Fourth Proportional to 5,470,193.18, 8,205,639.69 and 2,104,400.18
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Solution
The fourth proportional to 5,470,193.18, 8,205,639.69 and 2,104,400.18 is: 3,156,734.89
Step by Step Solution
- Step 1: Write the proportion equation
5,470,193.18 : 8,205,639.69 = 2,104,400.18 : x - Step 2: Convert to fraction form
5,470,193.18/8,205,639.69 = 2,104,400.18/x - Step 3: Cross multiply
5,470,193.18x = 8,205,639.69 × 2,104,400.18 - Step 4: Simplify right side
5,470,193.18x = 17,267,949,669,056.74 - Step 5: Solve for x
x = 17,267,949,669,056.74/5,470,193.18 - Step 6: Final answer
x = 3,156,734.89
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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.