Finding the Fourth Proportional to 1,768,614.49, 2,438,954.12 and 1,122,913.67
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Solution
The fourth proportional to 1,768,614.49, 2,438,954.12 and 1,122,913.67 is: 1,548,520.01
Step by Step Solution
- Step 1: Write the proportion equation
1,768,614.49 : 2,438,954.12 = 1,122,913.67 : x - Step 2: Convert to fraction form
1,768,614.49/2,438,954.12 = 1,122,913.67/x - Step 3: Cross multiply
1,768,614.49x = 2,438,954.12 × 1,122,913.67 - Step 4: Simplify right side
1,768,614.49x = 2,738,734,921,850.82 - Step 5: Solve for x
x = 2,738,734,921,850.82/1,768,614.49 - Step 6: Final answer
x = 1,548,520.01
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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.