Finding the Fourth Proportional to 2,347,383.99, 3,239,431.20 and 1,314,883.07
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Solution
The fourth proportional to 2,347,383.99, 3,239,431.20 and 1,314,883.07 is: 1,814,561.76
Step by Step Solution
- Step 1: Write the proportion equation
2,347,383.99 : 3,239,431.20 = 1,314,883.07 : x - Step 2: Convert to fraction form
2,347,383.99/3,239,431.20 = 1,314,883.07/x - Step 3: Cross multiply
2,347,383.99x = 3,239,431.20 × 1,314,883.07 - Step 4: Simplify right side
2,347,383.99x = 4,259,473,225,112.63 - Step 5: Solve for x
x = 4,259,473,225,112.63/2,347,383.99 - Step 6: Final answer
x = 1,814,561.76
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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.