Finding the Fourth Proportional to 2,107,161.63, 2,907,882.99 and 1,140,291.92
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Solution
The fourth proportional to 2,107,161.63, 2,907,882.99 and 1,140,291.92 is: 1,573,602.82
Step by Step Solution
- Step 1: Write the proportion equation
2,107,161.63 : 2,907,882.99 = 1,140,291.92 : x - Step 2: Convert to fraction form
2,107,161.63/2,907,882.99 = 1,140,291.92/x - Step 3: Cross multiply
2,107,161.63x = 2,907,882.99 × 1,140,291.92 - Step 4: Simplify right side
2,107,161.63x = 3,315,835,477,802.44 - Step 5: Solve for x
x = 3,315,835,477,802.44/2,107,161.63 - Step 6: Final answer
x = 1,573,602.82
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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.