Finding the Fourth Proportional to 5,327,922.63, 7,992,299.37 and 1,916,652.79
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Solution
The fourth proportional to 5,327,922.63, 7,992,299.37 and 1,916,652.79 is: 2,875,128.63
Step by Step Solution
- Step 1: Write the proportion equation
5,327,922.63 : 7,992,299.37 = 1,916,652.79 : x - Step 2: Convert to fraction form
5,327,922.63/7,992,299.37 = 1,916,652.79/x - Step 3: Cross multiply
5,327,922.63x = 7,992,299.37 × 1,916,652.79 - Step 4: Simplify right side
5,327,922.63x = 15,318,462,873,232.44 - Step 5: Solve for x
x = 15,318,462,873,232.44/5,327,922.63 - Step 6: Final answer
x = 2,875,128.63
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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.