Finding the Fourth Proportional to 5,280,211.88, 7,923,649.68 and 2,247,572.96
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Solution
The fourth proportional to 5,280,211.88, 7,923,649.68 and 2,247,572.96 is: 3,372,777.68
Step by Step Solution
- Step 1: Write the proportion equation
5,280,211.88 : 7,923,649.68 = 2,247,572.96 : x - Step 2: Convert to fraction form
5,280,211.88/7,923,649.68 = 2,247,572.96/x - Step 3: Cross multiply
5,280,211.88x = 7,923,649.68 × 2,247,572.96 - Step 4: Simplify right side
5,280,211.88x = 17,808,980,765,280.65 - Step 5: Solve for x
x = 17,808,980,765,280.65/5,280,211.88 - Step 6: Final answer
x = 3,372,777.68
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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.