Finding the Fourth Proportional to 2,922,840.80, 4,383,783.12 and 1,029,137.12
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Solution
The fourth proportional to 2,922,840.80, 4,383,783.12 and 1,029,137.12 is: 1,543,537.35
Step by Step Solution
- Step 1: Write the proportion equation
2,922,840.80 : 4,383,783.12 = 1,029,137.12 : x - Step 2: Convert to fraction form
2,922,840.80/4,383,783.12 = 1,029,137.12/x - Step 3: Cross multiply
2,922,840.80x = 4,383,783.12 × 1,029,137.12 - Step 4: Simplify right side
2,922,840.80x = 4,511,513,934,821.41 - Step 5: Solve for x
x = 4,511,513,934,821.41/2,922,840.80 - Step 6: Final answer
x = 1,543,537.35
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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.