Finding the Fourth Proportional to 1,725,874.64, 2,381,709.60 and 961,911.80
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Solution
The fourth proportional to 1,725,874.64, 2,381,709.60 and 961,911.80 is: 1,327,439.73
Step by Step Solution
- Step 1: Write the proportion equation
1,725,874.64 : 2,381,709.60 = 961,911.80 : x - Step 2: Convert to fraction form
1,725,874.64/2,381,709.60 = 961,911.80/x - Step 3: Cross multiply
1,725,874.64x = 2,381,709.60 × 961,911.80 - Step 4: Simplify right side
1,725,874.64x = 2,290,994,568,413.28 - Step 5: Solve for x
x = 2,290,994,568,413.28/1,725,874.64 - Step 6: Final answer
x = 1,327,439.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.