Finding the Fourth Proportional to 1,534,393.46, 2,117,578.20 and 889,808.06
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Solution
The fourth proportional to 1,534,393.46, 2,117,578.20 and 889,808.06 is: 1,228,001.94
Step by Step Solution
- Step 1: Write the proportion equation
1,534,393.46 : 2,117,578.20 = 889,808.06 : x - Step 2: Convert to fraction form
1,534,393.46/2,117,578.20 = 889,808.06/x - Step 3: Cross multiply
1,534,393.46x = 2,117,578.20 × 889,808.06 - Step 4: Simplify right side
1,534,393.46x = 1,884,238,150,040.29 - Step 5: Solve for x
x = 1,884,238,150,040.29/1,534,393.46 - Step 6: Final answer
x = 1,228,001.94
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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.