Finding the Fourth Proportional to 4,868,588.40, 7,303,919.40 and 1,503,135.60
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Solution
The fourth proportional to 4,868,588.40, 7,303,919.40 and 1,503,135.60 is: 2,255,023.50
Step by Step Solution
- Step 1: Write the proportion equation
4,868,588.40 : 7,303,919.40 = 1,503,135.60 : x - Step 2: Convert to fraction form
4,868,588.40/7,303,919.40 = 1,503,135.60/x - Step 3: Cross multiply
4,868,588.40x = 7,303,919.40 × 1,503,135.60 - Step 4: Simplify right side
4,868,588.40x = 10,978,781,269,670.64 - Step 5: Solve for x
x = 10,978,781,269,670.64/4,868,588.40 - Step 6: Final answer
x = 2,255,023.50
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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.