Finding the Fourth Proportional to 2,091,631.75, 3,138,774.86 and 893,563.09
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Solution
The fourth proportional to 2,091,631.75, 3,138,774.86 and 893,563.09 is: 1,340,911.64
Step by Step Solution
- Step 1: Write the proportion equation
2,091,631.75 : 3,138,774.86 = 893,563.09 : x - Step 2: Convert to fraction form
2,091,631.75/3,138,774.86 = 893,563.09/x - Step 3: Cross multiply
2,091,631.75x = 3,138,774.86 × 893,563.09 - Step 4: Simplify right side
2,091,631.75x = 2,804,693,362,715.92 - Step 5: Solve for x
x = 2,804,693,362,715.92/2,091,631.75 - Step 6: Final answer
x = 1,340,911.64
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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.