Finding the Fourth Proportional to 1,884,462.99, 2,825,620.43 and 1,286,148.39
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Solution
The fourth proportional to 1,884,462.99, 2,825,620.43 and 1,286,148.39 is: 1,928,489.54
Step by Step Solution
- Step 1: Write the proportion equation
1,884,462.99 : 2,825,620.43 = 1,286,148.39 : x - Step 2: Convert to fraction form
1,884,462.99/2,825,620.43 = 1,286,148.39/x - Step 3: Cross multiply
1,884,462.99x = 2,825,620.43 × 1,286,148.39 - Step 4: Simplify right side
1,884,462.99x = 3,634,167,160,364.87 - Step 5: Solve for x
x = 3,634,167,160,364.87/1,884,462.99 - Step 6: Final answer
x = 1,928,489.54
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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.