Finding the Fourth Proportional to 2,000,205.14, 2,760,331.70 and 1,140,845.36
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Solution
The fourth proportional to 2,000,205.14, 2,760,331.70 and 1,140,845.36 is: 1,574,394.32
Step by Step Solution
- Step 1: Write the proportion equation
2,000,205.14 : 2,760,331.70 = 1,140,845.36 : x - Step 2: Convert to fraction form
2,000,205.14/2,760,331.70 = 1,140,845.36/x - Step 3: Cross multiply
2,000,205.14x = 2,760,331.70 × 1,140,845.36 - Step 4: Simplify right side
2,000,205.14x = 3,149,111,612,005.91 - Step 5: Solve for x
x = 3,149,111,612,005.91/2,000,205.14 - Step 6: Final answer
x = 1,574,394.32
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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.