Finding the Fourth Proportional to 2,720,415.27, 4,081,121.09 and 1,122,106.46
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Solution
The fourth proportional to 2,720,415.27, 4,081,121.09 and 1,122,106.46 is: 1,683,365.17
Step by Step Solution
- Step 1: Write the proportion equation
2,720,415.27 : 4,081,121.09 = 1,122,106.46 : x - Step 2: Convert to fraction form
2,720,415.27/4,081,121.09 = 1,122,106.46/x - Step 3: Cross multiply
2,720,415.27x = 4,081,121.09 × 1,122,106.46 - Step 4: Simplify right side
2,720,415.27x = 4,579,452,313,115.10 - Step 5: Solve for x
x = 4,579,452,313,115.10/2,720,415.27 - Step 6: Final answer
x = 1,683,365.17
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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.