Finding the Fourth Proportional to 2,887,385.37, 3,985,480.17 and 1,664,508.84
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Solution
The fourth proportional to 2,887,385.37, 3,985,480.17 and 1,664,508.84 is: 2,297,534.32
Step by Step Solution
- Step 1: Write the proportion equation
2,887,385.37 : 3,985,480.17 = 1,664,508.84 : x - Step 2: Convert to fraction form
2,887,385.37/3,985,480.17 = 1,664,508.84/x - Step 3: Cross multiply
2,887,385.37x = 3,985,480.17 × 1,664,508.84 - Step 4: Simplify right side
2,887,385.37x = 6,633,866,974,609.70 - Step 5: Solve for x
x = 6,633,866,974,609.70/2,887,385.37 - Step 6: Final answer
x = 2,297,534.32
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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.