Finding the Fourth Proportional to 6,661,990.40, 9,986,862.24 and 2,401,115.84
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Solution
The fourth proportional to 6,661,990.40, 9,986,862.24 and 2,401,115.84 is: 3,599,466.78
Step by Step Solution
- Step 1: Write the proportion equation
6,661,990.40 : 9,986,862.24 = 2,401,115.84 : x - Step 2: Convert to fraction form
6,661,990.40/9,986,862.24 = 2,401,115.84/x - Step 3: Cross multiply
6,661,990.40x = 9,986,862.24 × 2,401,115.84 - Step 4: Simplify right side
6,661,990.40x = 23,979,613,116,361.88 - Step 5: Solve for x
x = 23,979,613,116,361.88/6,661,990.40 - Step 6: Final answer
x = 3,599,466.78
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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.