Finding the Fourth Proportional to 6,477,123.57, 9,715,684.14 and 1,928,238.90
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Solution
The fourth proportional to 6,477,123.57, 9,715,684.14 and 1,928,238.90 is: 2,892,357.99
Step by Step Solution
- Step 1: Write the proportion equation
6,477,123.57 : 9,715,684.14 = 1,928,238.90 : x - Step 2: Convert to fraction form
6,477,123.57/9,715,684.14 = 1,928,238.90/x - Step 3: Cross multiply
6,477,123.57x = 9,715,684.14 × 1,928,238.90 - Step 4: Simplify right side
6,477,123.57x = 18,734,160,098,861.05 - Step 5: Solve for x
x = 18,734,160,098,861.05/6,477,123.57 - Step 6: Final answer
x = 2,892,357.99
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1.5x scale
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.