Finding the Fourth Proportional to 3,112,365.95, 4,295,097.81 and 1,754,238.95
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Solution
The fourth proportional to 3,112,365.95, 4,295,097.81 and 1,754,238.95 is: 2,420,868.23
Step by Step Solution
- Step 1: Write the proportion equation
3,112,365.95 : 4,295,097.81 = 1,754,238.95 : x - Step 2: Convert to fraction form
3,112,365.95/4,295,097.81 = 1,754,238.95/x - Step 3: Cross multiply
3,112,365.95x = 4,295,097.81 × 1,754,238.95 - Step 4: Simplify right side
3,112,365.95x = 7,534,627,850,886.21 - Step 5: Solve for x
x = 7,534,627,850,886.21/3,112,365.95 - Step 6: Final answer
x = 2,420,868.23
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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.