Finding the Fourth Proportional to 2,631,526.97, 3,631,120.74 and 1,469,830.10
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Solution
The fourth proportional to 2,631,526.97, 3,631,120.74 and 1,469,830.10 is: 2,028,149.67
Step by Step Solution
- Step 1: Write the proportion equation
2,631,526.97 : 3,631,120.74 = 1,469,830.10 : x - Step 2: Convert to fraction form
2,631,526.97/3,631,120.74 = 1,469,830.10/x - Step 3: Cross multiply
2,631,526.97x = 3,631,120.74 × 1,469,830.10 - Step 4: Simplify right side
2,631,526.97x = 5,337,130,542,230.67 - Step 5: Solve for x
x = 5,337,130,542,230.67/2,631,526.97 - Step 6: Final answer
x = 2,028,149.67
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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.