Finding the Fourth Proportional to 3,065,225.40, 4,589,964.90 and 2,430,120.60
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Solution
The fourth proportional to 3,065,225.40, 4,589,964.90 and 2,430,120.60 is: 3,638,939.00
Step by Step Solution
- Step 1: Write the proportion equation
3,065,225.40 : 4,589,964.90 = 2,430,120.60 : x - Step 2: Convert to fraction form
3,065,225.40/4,589,964.90 = 2,430,120.60/x - Step 3: Cross multiply
3,065,225.40x = 4,589,964.90 × 2,430,120.60 - Step 4: Simplify right side
3,065,225.40x = 11,154,168,256,766.94 - Step 5: Solve for x
x = 11,154,168,256,766.94/3,065,225.40 - Step 6: Final answer
x = 3,638,939.00
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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.