Finding the Fourth Proportional to 1,873,205.44, 2,585,023.68 and 1,013,771.92
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Solution
The fourth proportional to 1,873,205.44, 2,585,023.68 and 1,013,771.92 is: 1,399,005.34
Step by Step Solution
- Step 1: Write the proportion equation
1,873,205.44 : 2,585,023.68 = 1,013,771.92 : x - Step 2: Convert to fraction form
1,873,205.44/2,585,023.68 = 1,013,771.92/x - Step 3: Cross multiply
1,873,205.44x = 2,585,023.68 × 1,013,771.92 - Step 4: Simplify right side
1,873,205.44x = 2,620,624,419,319.07 - Step 5: Solve for x
x = 2,620,624,419,319.07/1,873,205.44 - Step 6: Final answer
x = 1,399,005.34
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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.