Finding the Fourth Proportional to 1,719,745.71, 2,579,624.78 and 521,678.49
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Solution
The fourth proportional to 1,719,745.71, 2,579,624.78 and 521,678.49 is: 782,519.62
Step by Step Solution
- Step 1: Write the proportion equation
1,719,745.71 : 2,579,624.78 = 521,678.49 : x - Step 2: Convert to fraction form
1,719,745.71/2,579,624.78 = 521,678.49/x - Step 3: Cross multiply
1,719,745.71x = 2,579,624.78 × 521,678.49 - Step 4: Simplify right side
1,719,745.71x = 1,345,734,757,388.59 - Step 5: Solve for x
x = 1,345,734,757,388.59/1,719,745.71 - Step 6: Final answer
x = 782,519.62
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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.