Finding the Fourth Proportional to 1,534,106.19, 2,116,597.39 and 889,397.74
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Solution
The fourth proportional to 1,534,106.19, 2,116,597.39 and 889,397.74 is: 1,227,096.89
Step by Step Solution
- Step 1: Write the proportion equation
1,534,106.19 : 2,116,597.39 = 889,397.74 : x - Step 2: Convert to fraction form
1,534,106.19/2,116,597.39 = 889,397.74/x - Step 3: Cross multiply
1,534,106.19x = 2,116,597.39 × 889,397.74 - Step 4: Simplify right side
1,534,106.19x = 1,882,496,927,640.91 - Step 5: Solve for x
x = 1,882,496,927,640.91/1,534,106.19 - Step 6: Final answer
x = 1,227,096.89
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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.