Finding the Fourth Proportional to 4,211,682.26, 6,300,901.11 and 3,189,955.80
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Solution
The fourth proportional to 4,211,682.26, 6,300,901.11 and 3,189,955.80 is: 4,772,343.88
Step by Step Solution
- Step 1: Write the proportion equation
4,211,682.26 : 6,300,901.11 = 3,189,955.80 : x - Step 2: Convert to fraction form
4,211,682.26/6,300,901.11 = 3,189,955.80/x - Step 3: Cross multiply
4,211,682.26x = 6,300,901.11 × 3,189,955.80 - Step 4: Simplify right side
4,211,682.26x = 20,099,596,041,070.94 - Step 5: Solve for x
x = 20,099,596,041,070.94/4,211,682.26 - Step 6: Final answer
x = 4,772,343.88
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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.