Finding the Fourth Proportional to 2,134,992.08, 2,945,735.88 and 1,275,173.84
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Solution
The fourth proportional to 2,134,992.08, 2,945,735.88 and 1,275,173.84 is: 1,759,409.49
Step by Step Solution
- Step 1: Write the proportion equation
2,134,992.08 : 2,945,735.88 = 1,275,173.84 : x - Step 2: Convert to fraction form
2,134,992.08/2,945,735.88 = 1,275,173.84/x - Step 3: Cross multiply
2,134,992.08x = 2,945,735.88 × 1,275,173.84 - Step 4: Simplify right side
2,134,992.08x = 3,756,325,333,725.38 - Step 5: Solve for x
x = 3,756,325,333,725.38/2,134,992.08 - Step 6: Final answer
x = 1,759,409.49
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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.