Finding the Fourth Proportional to 2,972,351.70, 4,101,937.20 and 1,683,163.80
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Solution
The fourth proportional to 2,972,351.70, 4,101,937.20 and 1,683,163.80 is: 2,322,818.06
Step by Step Solution
- Step 1: Write the proportion equation
2,972,351.70 : 4,101,937.20 = 1,683,163.80 : x - Step 2: Convert to fraction form
2,972,351.70/4,101,937.20 = 1,683,163.80/x - Step 3: Cross multiply
2,972,351.70x = 4,101,937.20 × 1,683,163.80 - Step 4: Simplify right side
2,972,351.70x = 6,904,232,204,913.36 - Step 5: Solve for x
x = 6,904,232,204,913.36/2,972,351.70 - Step 6: Final answer
x = 2,322,818.06
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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.