Finding the Fourth Proportional to 2,269,634.99, 3,403,566.74 and 990,633.65
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Solution
The fourth proportional to 2,269,634.99, 3,403,566.74 and 990,633.65 is: 1,485,563.87
Step by Step Solution
- Step 1: Write the proportion equation
2,269,634.99 : 3,403,566.74 = 990,633.65 : x - Step 2: Convert to fraction form
2,269,634.99/3,403,566.74 = 990,633.65/x - Step 3: Cross multiply
2,269,634.99x = 3,403,566.74 × 990,633.65 - Step 4: Simplify right side
2,269,634.99x = 3,371,687,728,123.55 - Step 5: Solve for x
x = 3,371,687,728,123.55/2,269,634.99 - Step 6: Final answer
x = 1,485,563.87
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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.