Finding the Fourth Proportional to 2,405,475.72, 3,319,546.68 and 1,317,745.80
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Solution
The fourth proportional to 2,405,475.72, 3,319,546.68 and 1,317,745.80 is: 1,818,483.83
Step by Step Solution
- Step 1: Write the proportion equation
2,405,475.72 : 3,319,546.68 = 1,317,745.80 : x - Step 2: Convert to fraction form
2,405,475.72/3,319,546.68 = 1,317,745.80/x - Step 3: Cross multiply
2,405,475.72x = 3,319,546.68 × 1,317,745.80 - Step 4: Simplify right side
2,405,475.72x = 4,374,318,695,473.94 - Step 5: Solve for x
x = 4,374,318,695,473.94/2,405,475.72 - Step 6: Final answer
x = 1,818,483.83
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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.