Finding the Fourth Proportional to 3,023,445.18, 4,172,353.56 and 1,665,318.18
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Solution
The fourth proportional to 3,023,445.18, 4,172,353.56 and 1,665,318.18 is: 2,298,138.65
Step by Step Solution
- Step 1: Write the proportion equation
3,023,445.18 : 4,172,353.56 = 1,665,318.18 : x - Step 2: Convert to fraction form
3,023,445.18/4,172,353.56 = 1,665,318.18/x - Step 3: Cross multiply
3,023,445.18x = 4,172,353.56 × 1,665,318.18 - Step 4: Simplify right side
3,023,445.18x = 6,948,296,236,855.72 - Step 5: Solve for x
x = 6,948,296,236,855.72/3,023,445.18 - Step 6: Final answer
x = 2,298,138.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.