Finding the Fourth Proportional to 5,545,973.40, 8,318,183.43 and 1,902,642.81
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Solution
The fourth proportional to 5,545,973.40, 8,318,183.43 and 1,902,642.81 is: 2,853,697.76
Step by Step Solution
- Step 1: Write the proportion equation
5,545,973.40 : 8,318,183.43 = 1,902,642.81 : x - Step 2: Convert to fraction form
5,545,973.40/8,318,183.43 = 1,902,642.81/x - Step 3: Cross multiply
5,545,973.40x = 8,318,183.43 × 1,902,642.81 - Step 4: Simplify right side
5,545,973.40x = 15,826,531,895,350.64 - Step 5: Solve for x
x = 15,826,531,895,350.64/5,545,973.40 - Step 6: Final answer
x = 2,853,697.76
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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.