Finding the Fourth Proportional to 6,881,688.24, 10,322,934.12 and 2,089,533.84
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Solution
The fourth proportional to 6,881,688.24, 10,322,934.12 and 2,089,533.84 is: 3,134,422.75
Step by Step Solution
- Step 1: Write the proportion equation
6,881,688.24 : 10,322,934.12 = 2,089,533.84 : x - Step 2: Convert to fraction form
6,881,688.24/10,322,934.12 = 2,089,533.84/x - Step 3: Cross multiply
6,881,688.24x = 10,322,934.12 × 2,089,533.84 - Step 4: Simplify right side
6,881,688.24x = 21,570,120,171,830.62 - Step 5: Solve for x
x = 21,570,120,171,830.62/6,881,688.24 - Step 6: Final answer
x = 3,134,422.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.