Finding the Fourth Proportional to 1,420,675.71, 2,131,854.29 and 522,747.99
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Solution
The fourth proportional to 1,420,675.71, 2,131,854.29 and 522,747.99 is: 784,431.33
Step by Step Solution
- Step 1: Write the proportion equation
1,420,675.71 : 2,131,854.29 = 522,747.99 : x - Step 2: Convert to fraction form
1,420,675.71/2,131,854.29 = 522,747.99/x - Step 3: Cross multiply
1,420,675.71x = 2,131,854.29 × 522,747.99 - Step 4: Simplify right side
1,420,675.71x = 1,114,422,542,456.64 - Step 5: Solve for x
x = 1,114,422,542,456.64/1,420,675.71 - Step 6: Final answer
x = 784,431.33
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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.