Finding the Fourth Proportional to 1,525,138.80, 2,104,620.49 and 836,795.13
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Solution
The fourth proportional to 1,525,138.80, 2,104,620.49 and 836,795.13 is: 1,154,738.29
Step by Step Solution
- Step 1: Write the proportion equation
1,525,138.80 : 2,104,620.49 = 836,795.13 : x - Step 2: Convert to fraction form
1,525,138.80/2,104,620.49 = 836,795.13/x - Step 3: Cross multiply
1,525,138.80x = 2,104,620.49 × 836,795.13 - Step 4: Simplify right side
1,525,138.80x = 1,761,136,176,530.21 - Step 5: Solve for x
x = 1,761,136,176,530.21/1,525,138.80 - Step 6: Final answer
x = 1,154,738.29
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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.