Finding the Fourth Proportional to 5,728,421.48, 7,903,286.64 and 3,247,376
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Solution
The fourth proportional to 5,728,421.48, 7,903,286.64 and 3,247,376 is: 4,480,281.95
Step by Step Solution
- Step 1: Write the proportion equation
5,728,421.48 : 7,903,286.64 = 3,247,376 : x - Step 2: Convert to fraction form
5,728,421.48/7,903,286.64 = 3,247,376/x - Step 3: Cross multiply
5,728,421.48x = 7,903,286.64 × 3,247,376 - Step 4: Simplify right side
5,728,421.48x = 25,664,943,355,856.64 - Step 5: Solve for x
x = 25,664,943,355,856.64/5,728,421.48 - Step 6: Final answer
x = 4,480,281.95
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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.