Finding the Fourth Proportional to 2,631,466.36, 3,947,197.00 and 990,450.00
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Solution
The fourth proportional to 2,631,466.36, 3,947,197.00 and 990,450.00 is: 1,485,674.05
Step by Step Solution
- Step 1: Write the proportion equation
2,631,466.36 : 3,947,197.00 = 990,450.00 : x - Step 2: Convert to fraction form
2,631,466.36/3,947,197.00 = 990,450.00/x - Step 3: Cross multiply
2,631,466.36x = 3,947,197.00 × 990,450.00 - Step 4: Simplify right side
2,631,466.36x = 3,909,501,281,918.10 - Step 5: Solve for x
x = 3,909,501,281,918.10/2,631,466.36 - Step 6: Final answer
x = 1,485,674.05
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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.