Finding the Fourth Proportional to 5,243,589.48, 7,236,290.34 and 2,951,833.80
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Solution
The fourth proportional to 5,243,589.48, 7,236,290.34 and 2,951,833.80 is: 4,073,607.69
Step by Step Solution
- Step 1: Write the proportion equation
5,243,589.48 : 7,236,290.34 = 2,951,833.80 : x - Step 2: Convert to fraction form
5,243,589.48/7,236,290.34 = 2,951,833.80/x - Step 3: Cross multiply
5,243,589.48x = 7,236,290.34 × 2,951,833.80 - Step 4: Simplify right side
5,243,589.48x = 21,360,326,412,225.49 - Step 5: Solve for x
x = 21,360,326,412,225.49/5,243,589.48 - Step 6: Final answer
x = 4,073,607.69
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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.