Finding the Fourth Proportional to 3,887,405.40, 5,364,582.84 and 2,145,091.08
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Solution
The fourth proportional to 3,887,405.40, 5,364,582.84 and 2,145,091.08 is: 2,960,205.49
Step by Step Solution
- Step 1: Write the proportion equation
3,887,405.40 : 5,364,582.84 = 2,145,091.08 : x - Step 2: Convert to fraction form
3,887,405.40/5,364,582.84 = 2,145,091.08/x - Step 3: Cross multiply
3,887,405.40x = 5,364,582.84 × 2,145,091.08 - Step 4: Simplify right side
3,887,405.40x = 11,507,518,798,005.07 - Step 5: Solve for x
x = 11,507,518,798,005.07/3,887,405.40 - Step 6: Final answer
x = 2,960,205.49
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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.