Finding the Fourth Proportional to 6,782,458.24, 9,359,765.76 and 3,881,837.44
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Solution
The fourth proportional to 6,782,458.24, 9,359,765.76 and 3,881,837.44 is: 5,356,920.44
Step by Step Solution
- Step 1: Write the proportion equation
6,782,458.24 : 9,359,765.76 = 3,881,837.44 : x - Step 2: Convert to fraction form
6,782,458.24/9,359,765.76 = 3,881,837.44/x - Step 3: Cross multiply
6,782,458.24x = 9,359,765.76 × 3,881,837.44 - Step 4: Simplify right side
6,782,458.24x = 36,333,089,156,798.05 - Step 5: Solve for x
x = 36,333,089,156,798.05/6,782,458.24 - Step 6: Final answer
x = 5,356,920.44
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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.