Finding the Fourth Proportional to 1,888,888.24, 2,606,736.09 and 1,073,230.21
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Solution
The fourth proportional to 1,888,888.24, 2,606,736.09 and 1,073,230.21 is: 1,481,097.64
Step by Step Solution
- Step 1: Write the proportion equation
1,888,888.24 : 2,606,736.09 = 1,073,230.21 : x - Step 2: Convert to fraction form
1,888,888.24/2,606,736.09 = 1,073,230.21/x - Step 3: Cross multiply
1,888,888.24x = 2,606,736.09 × 1,073,230.21 - Step 4: Simplify right side
1,888,888.24x = 2,797,627,921,285.28 - Step 5: Solve for x
x = 2,797,627,921,285.28/1,888,888.24 - Step 6: Final answer
x = 1,481,097.64
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1.5x scale
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.