Finding the Fourth Proportional to 6,776,561.56, 9,351,788.70 and 3,720,749.08
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Solution
The fourth proportional to 6,776,561.56, 9,351,788.70 and 3,720,749.08 is: 5,134,707.17
Step by Step Solution
- Step 1: Write the proportion equation
6,776,561.56 : 9,351,788.70 = 3,720,749.08 : x - Step 2: Convert to fraction form
6,776,561.56/9,351,788.70 = 3,720,749.08/x - Step 3: Cross multiply
6,776,561.56x = 9,351,788.70 × 3,720,749.08 - Step 4: Simplify right side
6,776,561.56x = 34,795,659,201,879.39 - Step 5: Solve for x
x = 34,795,659,201,879.39/6,776,561.56 - Step 6: Final answer
x = 5,134,707.17
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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.