Finding the Fourth Proportional to 1,915,499.48, 2,873,249.14 and 1,819,717.08
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Solution
The fourth proportional to 1,915,499.48, 2,873,249.14 and 1,819,717.08 is: 2,729,575.54
Step by Step Solution
- Step 1: Write the proportion equation
1,915,499.48 : 2,873,249.14 = 1,819,717.08 : x - Step 2: Convert to fraction form
1,915,499.48/2,873,249.14 = 1,819,717.08/x - Step 3: Cross multiply
1,915,499.48x = 2,873,249.14 × 1,819,717.08 - Step 4: Simplify right side
1,915,499.48x = 5,228,500,535,153.31 - Step 5: Solve for x
x = 5,228,500,535,153.31/1,915,499.48 - Step 6: Final answer
x = 2,729,575.54
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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.