Finding the Fourth Proportional to 1,945,860.48, 2,685,735.36 and 1,141,303.68
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Solution
The fourth proportional to 1,945,860.48, 2,685,735.36 and 1,141,303.68 is: 1,575,261.78
Step by Step Solution
- Step 1: Write the proportion equation
1,945,860.48 : 2,685,735.36 = 1,141,303.68 : x - Step 2: Convert to fraction form
1,945,860.48/2,685,735.36 = 1,141,303.68/x - Step 3: Cross multiply
1,945,860.48x = 2,685,735.36 × 1,141,303.68 - Step 4: Simplify right side
1,945,860.48x = 3,065,239,649,874.12 - Step 5: Solve for x
x = 3,065,239,649,874.12/1,945,860.48 - Step 6: Final answer
x = 1,575,261.78
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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.