Finding the Fourth Proportional to 1,847,486.40, 2,771,229.60 and 1,135,204.80
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Solution
The fourth proportional to 1,847,486.40, 2,771,229.60 and 1,135,204.80 is: 1,702,807.20
Step by Step Solution
- Step 1: Write the proportion equation
1,847,486.40 : 2,771,229.60 = 1,135,204.80 : x - Step 2: Convert to fraction form
1,847,486.40/2,771,229.60 = 1,135,204.80/x - Step 3: Cross multiply
1,847,486.40x = 2,771,229.60 × 1,135,204.80 - Step 4: Simplify right side
1,847,486.40x = 3,145,913,143,822.08 - Step 5: Solve for x
x = 3,145,913,143,822.08/1,847,486.40 - Step 6: Final answer
x = 1,702,807.20
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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.