Finding the Fourth Proportional to 7,119,693.62, 10,680,038.60 and 3,524,495.26
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Solution
The fourth proportional to 7,119,693.62, 10,680,038.60 and 3,524,495.26 is: 5,286,989.50
Step by Step Solution
- Step 1: Write the proportion equation
7,119,693.62 : 10,680,038.60 = 3,524,495.26 : x - Step 2: Convert to fraction form
7,119,693.62/10,680,038.60 = 3,524,495.26/x - Step 3: Cross multiply
7,119,693.62x = 10,680,038.60 × 3,524,495.26 - Step 4: Simplify right side
7,119,693.62x = 37,641,745,422,317.03 - Step 5: Solve for x
x = 37,641,745,422,317.03/7,119,693.62 - Step 6: Final answer
x = 5,286,989.50
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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.