Finding the Fourth Proportional to 1,534,634.28, 2,120,395.14 and 1,104,062.76
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Solution
The fourth proportional to 1,534,634.28, 2,120,395.14 and 1,104,062.76 is: 1,525,477.01
Step by Step Solution
- Step 1: Write the proportion equation
1,534,634.28 : 2,120,395.14 = 1,104,062.76 : x - Step 2: Convert to fraction form
1,534,634.28/2,120,395.14 = 1,104,062.76/x - Step 3: Cross multiply
1,534,634.28x = 2,120,395.14 × 1,104,062.76 - Step 4: Simplify right side
1,534,634.28x = 2,341,049,310,558.99 - Step 5: Solve for x
x = 2,341,049,310,558.99/1,534,634.28 - Step 6: Final answer
x = 1,525,477.01
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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.