Finding the Fourth Proportional to 2,271,922.48, 3,135,268.09 and 1,239,446.62
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Solution
The fourth proportional to 2,271,922.48, 3,135,268.09 and 1,239,446.62 is: 1,710,444.56
Step by Step Solution
- Step 1: Write the proportion equation
2,271,922.48 : 3,135,268.09 = 1,239,446.62 : x - Step 2: Convert to fraction form
2,271,922.48/3,135,268.09 = 1,239,446.62/x - Step 3: Cross multiply
2,271,922.48x = 3,135,268.09 × 1,239,446.62 - Step 4: Simplify right side
2,271,922.48x = 3,885,997,436,944.36 - Step 5: Solve for x
x = 3,885,997,436,944.36/2,271,922.48 - Step 6: Final answer
x = 1,710,444.56
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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.