Finding the Fourth Proportional to 5,642,944.14, 7,787,927.70 and 3,351,104.83
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Solution
The fourth proportional to 5,642,944.14, 7,787,927.70 and 3,351,104.83 is: 4,624,919.45
Step by Step Solution
- Step 1: Write the proportion equation
5,642,944.14 : 7,787,927.70 = 3,351,104.83 : x - Step 2: Convert to fraction form
5,642,944.14/7,787,927.70 = 3,351,104.83/x - Step 3: Cross multiply
5,642,944.14x = 7,787,927.70 × 3,351,104.83 - Step 4: Simplify right side
5,642,944.14x = 26,098,162,089,389.42 - Step 5: Solve for x
x = 26,098,162,089,389.42/5,642,944.14 - Step 6: Final answer
x = 4,624,919.45
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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.