Finding the Fourth Proportional to 2,029,305.20, 2,800,469.84 and 1,111,515.66
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Solution
The fourth proportional to 2,029,305.20, 2,800,469.84 and 1,111,515.66 is: 1,533,907.31
Step by Step Solution
- Step 1: Write the proportion equation
2,029,305.20 : 2,800,469.84 = 1,111,515.66 : x - Step 2: Convert to fraction form
2,029,305.20/2,800,469.84 = 1,111,515.66/x - Step 3: Cross multiply
2,029,305.20x = 2,800,469.84 × 1,111,515.66 - Step 4: Simplify right side
2,029,305.20x = 3,112,766,076,960.12 - Step 5: Solve for x
x = 3,112,766,076,960.12/2,029,305.20 - Step 6: Final answer
x = 1,533,907.31
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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.