Finding the Fourth Proportional to 2,156,873.60, 3,235,310.40 and 1,485,027.20
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Solution
The fourth proportional to 2,156,873.60, 3,235,310.40 and 1,485,027.20 is: 2,227,540.80
Step by Step Solution
- Step 1: Write the proportion equation
2,156,873.60 : 3,235,310.40 = 1,485,027.20 : x - Step 2: Convert to fraction form
2,156,873.60/3,235,310.40 = 1,485,027.20/x - Step 3: Cross multiply
2,156,873.60x = 3,235,310.40 × 1,485,027.20 - Step 4: Simplify right side
2,156,873.60x = 4,804,523,944,442.88 - Step 5: Solve for x
x = 4,804,523,944,442.88/2,156,873.60 - Step 6: Final answer
x = 2,227,540.80
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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.