Finding the Fourth Proportional to 5,376,167.20, 8,064,250.80 and 1,589,312.80
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Solution
The fourth proportional to 5,376,167.20, 8,064,250.80 and 1,589,312.80 is: 2,383,969.20
Step by Step Solution
- Step 1: Write the proportion equation
5,376,167.20 : 8,064,250.80 = 1,589,312.80 : x - Step 2: Convert to fraction form
5,376,167.20/8,064,250.80 = 1,589,312.80/x - Step 3: Cross multiply
5,376,167.20x = 8,064,250.80 × 1,589,312.80 - Step 4: Simplify right side
5,376,167.20x = 12,816,617,018,850.24 - Step 5: Solve for x
x = 12,816,617,018,850.24/5,376,167.20 - Step 6: Final answer
x = 2,383,969.20
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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.