Finding the Fourth Proportional to 1,990,283.24, 2,985,891.42 and 792,278.76
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Solution
The fourth proportional to 1,990,283.24, 2,985,891.42 and 792,278.76 is: 1,188,603.87
Step by Step Solution
- Step 1: Write the proportion equation
1,990,283.24 : 2,985,891.42 = 792,278.76 : x - Step 2: Convert to fraction form
1,990,283.24/2,985,891.42 = 792,278.76/x - Step 3: Cross multiply
1,990,283.24x = 2,985,891.42 × 792,278.76 - Step 4: Simplify right side
1,990,283.24x = 2,365,658,351,732.24 - Step 5: Solve for x
x = 2,365,658,351,732.24/1,990,283.24 - Step 6: Final answer
x = 1,188,603.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.