Finding the Fourth Proportional to 1,500,518.93, 2,250,850.07 and 489,638.93
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Solution
The fourth proportional to 1,500,518.93, 2,250,850.07 and 489,638.93 is: 734,481.78
Step by Step Solution
- Step 1: Write the proportion equation
1,500,518.93 : 2,250,850.07 = 489,638.93 : x - Step 2: Convert to fraction form
1,500,518.93/2,250,850.07 = 489,638.93/x - Step 3: Cross multiply
1,500,518.93x = 2,250,850.07 × 489,638.93 - Step 4: Simplify right side
1,500,518.93x = 1,102,103,809,835.07 - Step 5: Solve for x
x = 1,102,103,809,835.07/1,500,518.93 - Step 6: Final answer
x = 734,481.78
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1.5x scale
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.