Finding the Fourth Proportional to 4,266,611.20, 6,407,289.60 and 2,275,955.20
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Solution
The fourth proportional to 4,266,611.20, 6,407,289.60 and 2,275,955.20 is: 3,417,865.70
Step by Step Solution
- Step 1: Write the proportion equation
4,266,611.20 : 6,407,289.60 = 2,275,955.20 : x - Step 2: Convert to fraction form
4,266,611.20/6,407,289.60 = 2,275,955.20/x - Step 3: Cross multiply
4,266,611.20x = 6,407,289.60 × 2,275,955.20 - Step 4: Simplify right side
4,266,611.20x = 14,582,704,083,025.92 - Step 5: Solve for x
x = 14,582,704,083,025.92/4,266,611.20 - Step 6: Final answer
x = 3,417,865.70
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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.