Finding the Fourth Proportional to 2,072,106.36, 2,859,711.48 and 1,212,615.36
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Solution
The fourth proportional to 2,072,106.36, 2,859,711.48 and 1,212,615.36 is: 1,673,528.99
Step by Step Solution
- Step 1: Write the proportion equation
2,072,106.36 : 2,859,711.48 = 1,212,615.36 : x - Step 2: Convert to fraction form
2,072,106.36/2,859,711.48 = 1,212,615.36/x - Step 3: Cross multiply
2,072,106.36x = 2,859,711.48 × 1,212,615.36 - Step 4: Simplify right side
2,072,106.36x = 3,467,730,065,816.33 - Step 5: Solve for x
x = 3,467,730,065,816.33/2,072,106.36 - Step 6: Final answer
x = 1,673,528.99
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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.