Finding the Fourth Proportional to 3,395,639.76, 5,092,905.90 and 998,923.80
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Solution
The fourth proportional to 3,395,639.76, 5,092,905.90 and 998,923.80 is: 1,498,222.80
Step by Step Solution
- Step 1: Write the proportion equation
3,395,639.76 : 5,092,905.90 = 998,923.80 : x - Step 2: Convert to fraction form
3,395,639.76/5,092,905.90 = 998,923.80/x - Step 3: Cross multiply
3,395,639.76x = 5,092,905.90 × 998,923.80 - Step 4: Simplify right side
3,395,639.76x = 5,087,424,914,670.42 - Step 5: Solve for x
x = 5,087,424,914,670.42/3,395,639.76 - Step 6: Final answer
x = 1,498,222.80
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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.