Finding the Fourth Proportional to 1,884,173.28, 2,825,189.61 and 1,285,859.26
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Solution
The fourth proportional to 1,884,173.28, 2,825,189.61 and 1,285,859.26 is: 1,928,058.45
Step by Step Solution
- Step 1: Write the proportion equation
1,884,173.28 : 2,825,189.61 = 1,285,859.26 : x - Step 2: Convert to fraction form
1,884,173.28/2,825,189.61 = 1,285,859.26/x - Step 3: Cross multiply
1,884,173.28x = 2,825,189.61 × 1,285,859.26 - Step 4: Simplify right side
1,884,173.28x = 3,632,796,221,274.29 - Step 5: Solve for x
x = 3,632,796,221,274.29/1,884,173.28 - Step 6: Final answer
x = 1,928,058.45
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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.