Finding the Fourth Proportional to 1,921,106.18, 2,881,659.27 and 723,297.21
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Solution
The fourth proportional to 1,921,106.18, 2,881,659.27 and 723,297.21 is: 1,084,945.82
Step by Step Solution
- Step 1: Write the proportion equation
1,921,106.18 : 2,881,659.27 = 723,297.21 : x - Step 2: Convert to fraction form
1,921,106.18/2,881,659.27 = 723,297.21/x - Step 3: Cross multiply
1,921,106.18x = 2,881,659.27 × 723,297.21 - Step 4: Simplify right side
1,921,106.18x = 2,084,296,110,161.64 - Step 5: Solve for x
x = 2,084,296,110,161.64/1,921,106.18 - Step 6: Final answer
x = 1,084,945.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.