Finding the Fourth Proportional to 2,104,725.13, 2,904,449.92 and 1,330,772.56
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Solution
The fourth proportional to 2,104,725.13, 2,904,449.92 and 1,330,772.56 is: 1,836,421.39
Step by Step Solution
- Step 1: Write the proportion equation
2,104,725.13 : 2,904,449.92 = 1,330,772.56 : x - Step 2: Convert to fraction form
2,104,725.13/2,904,449.92 = 1,330,772.56/x - Step 3: Cross multiply
2,104,725.13x = 2,904,449.92 × 1,330,772.56 - Step 4: Simplify right side
2,104,725.13x = 3,865,162,255,733.83 - Step 5: Solve for x
x = 3,865,162,255,733.83/2,104,725.13 - Step 6: Final answer
x = 1,836,421.39
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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.