Finding the Fourth Proportional to 2,668,463.21, 3,682,474.36 and 1,444,768.58
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Solution
The fourth proportional to 2,668,463.21, 3,682,474.36 and 1,444,768.58 is: 1,993,778.00
Step by Step Solution
- Step 1: Write the proportion equation
2,668,463.21 : 3,682,474.36 = 1,444,768.58 : x - Step 2: Convert to fraction form
2,668,463.21/3,682,474.36 = 1,444,768.58/x - Step 3: Cross multiply
2,668,463.21x = 3,682,474.36 × 1,444,768.58 - Step 4: Simplify right side
2,668,463.21x = 5,320,323,257,577.87 - Step 5: Solve for x
x = 5,320,323,257,577.87/2,668,463.21 - Step 6: Final answer
x = 1,993,778.00
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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.