Finding the Fourth Proportional to 4,420,086.54, 6,629,473.68 and 1,224,879.54
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Solution
The fourth proportional to 4,420,086.54, 6,629,473.68 and 1,224,879.54 is: 1,837,137.49
Step by Step Solution
- Step 1: Write the proportion equation
4,420,086.54 : 6,629,473.68 = 1,224,879.54 : x - Step 2: Convert to fraction form
4,420,086.54/6,629,473.68 = 1,224,879.54/x - Step 3: Cross multiply
4,420,086.54x = 6,629,473.68 × 1,224,879.54 - Step 4: Simplify right side
4,420,086.54x = 8,120,306,671,600.51 - Step 5: Solve for x
x = 8,120,306,671,600.51/4,420,086.54 - Step 6: Final answer
x = 1,837,137.49
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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.