Finding the Fourth Proportional to 5,403,883.18, 8,106,806.88 and 2,563,968.90
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Solution
The fourth proportional to 5,403,883.18, 8,106,806.88 and 2,563,968.90 is: 3,846,419.33
Step by Step Solution
- Step 1: Write the proportion equation
5,403,883.18 : 8,106,806.88 = 2,563,968.90 : x - Step 2: Convert to fraction form
5,403,883.18/8,106,806.88 = 2,563,968.90/x - Step 3: Cross multiply
5,403,883.18x = 8,106,806.88 × 2,563,968.90 - Step 4: Simplify right side
5,403,883.18x = 20,785,600,718,626.03 - Step 5: Solve for x
x = 20,785,600,718,626.03/5,403,883.18 - Step 6: Final answer
x = 3,846,419.33
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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.