Finding the Fourth Proportional to 1,640,296.06, 2,263,608.60 and 961,232.56
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Solution
The fourth proportional to 1,640,296.06, 2,263,608.60 and 961,232.56 is: 1,326,500.95
Step by Step Solution
- Step 1: Write the proportion equation
1,640,296.06 : 2,263,608.60 = 961,232.56 : x - Step 2: Convert to fraction form
1,640,296.06/2,263,608.60 = 961,232.56/x - Step 3: Cross multiply
1,640,296.06x = 2,263,608.60 × 961,232.56 - Step 4: Simplify right side
1,640,296.06x = 2,175,854,289,416.02 - Step 5: Solve for x
x = 2,175,854,289,416.02/1,640,296.06 - Step 6: Final answer
x = 1,326,500.95
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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.