Finding the Fourth Proportional to 7,119,430.52, 9,824,814.42 and 3,856,245.26
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Solution
The fourth proportional to 7,119,430.52, 9,824,814.42 and 3,856,245.26 is: 5,321,618.62
Step by Step Solution
- Step 1: Write the proportion equation
7,119,430.52 : 9,824,814.42 = 3,856,245.26 : x - Step 2: Convert to fraction form
7,119,430.52/9,824,814.42 = 3,856,245.26/x - Step 3: Cross multiply
7,119,430.52x = 9,824,814.42 × 3,856,245.26 - Step 4: Simplify right side
7,119,430.52x = 37,886,893,988,380.58 - Step 5: Solve for x
x = 37,886,893,988,380.58/7,119,430.52 - Step 6: Final answer
x = 5,321,618.62
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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.