Finding the Fourth Proportional to 2,668,343.40, 4,003,263.36 and 1,072,027.44
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Solution
The fourth proportional to 2,668,343.40, 4,003,263.36 and 1,072,027.44 is: 1,608,341.78
Step by Step Solution
- Step 1: Write the proportion equation
2,668,343.40 : 4,003,263.36 = 1,072,027.44 : x - Step 2: Convert to fraction form
2,668,343.40/4,003,263.36 = 1,072,027.44/x - Step 3: Cross multiply
2,668,343.40x = 4,003,263.36 × 1,072,027.44 - Step 4: Simplify right side
2,668,343.40x = 4,291,608,171,466.60 - Step 5: Solve for x
x = 4,291,608,171,466.60/2,668,343.40 - Step 6: Final answer
x = 1,608,341.78
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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.