Finding the Fourth Proportional to 2,104,728.14, 2,904,454.05 and 1,330,775.57
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Solution
The fourth proportional to 2,104,728.14, 2,904,454.05 and 1,330,775.57 is: 1,836,425.53
Step by Step Solution
- Step 1: Write the proportion equation
2,104,728.14 : 2,904,454.05 = 1,330,775.57 : x - Step 2: Convert to fraction form
2,104,728.14/2,904,454.05 = 1,330,775.57/x - Step 3: Cross multiply
2,104,728.14x = 2,904,454.05 × 1,330,775.57 - Step 4: Simplify right side
2,104,728.14x = 3,865,176,479,405.29 - Step 5: Solve for x
x = 3,865,176,479,405.29/2,104,728.14 - Step 6: Final answer
x = 1,836,425.53
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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.