Finding the Fourth Proportional to 5,180,522.13, 7,770,801.67 and 1,586,274.12
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Solution
The fourth proportional to 5,180,522.13, 7,770,801.67 and 1,586,274.12 is: 2,379,416.84
Step by Step Solution
- Step 1: Write the proportion equation
5,180,522.13 : 7,770,801.67 = 1,586,274.12 : x - Step 2: Convert to fraction form
5,180,522.13/7,770,801.67 = 1,586,274.12/x - Step 3: Cross multiply
5,180,522.13x = 7,770,801.67 × 1,586,274.12 - Step 4: Simplify right side
5,180,522.13x = 12,326,621,576,808.10 - Step 5: Solve for x
x = 12,326,621,576,808.10/5,180,522.13 - Step 6: Final answer
x = 2,379,416.84
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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.