Finding the Fourth Proportional to 4,080,611.63, 6,121,664.78 and 1,683,148.42
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Solution
The fourth proportional to 4,080,611.63, 6,121,664.78 and 1,683,148.42 is: 2,525,030.88
Step by Step Solution
- Step 1: Write the proportion equation
4,080,611.63 : 6,121,664.78 = 1,683,148.42 : x - Step 2: Convert to fraction form
4,080,611.63/6,121,664.78 = 1,683,148.42/x - Step 3: Cross multiply
4,080,611.63x = 6,121,664.78 × 1,683,148.42 - Step 4: Simplify right side
4,080,611.63x = 10,303,670,367,028.62 - Step 5: Solve for x
x = 10,303,670,367,028.62/4,080,611.63 - Step 6: Final answer
x = 2,525,030.88
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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.