Finding the Fourth Proportional to 3,990,144.99, 5,986,058.24 and 1,294,260.02
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Solution
The fourth proportional to 3,990,144.99, 5,986,058.24 and 1,294,260.02 is: 1,941,662.74
Step by Step Solution
- Step 1: Write the proportion equation
3,990,144.99 : 5,986,058.24 = 1,294,260.02 : x - Step 2: Convert to fraction form
3,990,144.99/5,986,058.24 = 1,294,260.02/x - Step 3: Cross multiply
3,990,144.99x = 5,986,058.24 × 1,294,260.02 - Step 4: Simplify right side
3,990,144.99x = 7,747,515,845,896.43 - Step 5: Solve for x
x = 7,747,515,845,896.43/3,990,144.99 - Step 6: Final answer
x = 1,941,662.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.