Finding the Fourth Proportional to 7,517,079.88, 10,373,576.58 and 4,079,320.84
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Solution
The fourth proportional to 7,517,079.88, 10,373,576.58 and 4,079,320.84 is: 5,629,466.20
Step by Step Solution
- Step 1: Write the proportion equation
7,517,079.88 : 10,373,576.58 = 4,079,320.84 : x - Step 2: Convert to fraction form
7,517,079.88/10,373,576.58 = 4,079,320.84/x - Step 3: Cross multiply
7,517,079.88x = 10,373,576.58 × 4,079,320.84 - Step 4: Simplify right side
7,517,079.88x = 42,317,147,128,129.93 - Step 5: Solve for x
x = 42,317,147,128,129.93/7,517,079.88 - Step 6: Final answer
x = 5,629,466.20
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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.