Finding the Fourth Proportional to 4,218,438.36, 6,327,647.51 and 1,023,561.84
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Solution
The fourth proportional to 4,218,438.36, 6,327,647.51 and 1,023,561.84 is: 1,535,340.33
Step by Step Solution
- Step 1: Write the proportion equation
4,218,438.36 : 6,327,647.51 = 1,023,561.84 : x - Step 2: Convert to fraction form
4,218,438.36/6,327,647.51 = 1,023,561.84/x - Step 3: Cross multiply
4,218,438.36x = 6,327,647.51 × 1,023,561.84 - Step 4: Simplify right side
4,218,438.36x = 6,476,738,523,089.21 - Step 5: Solve for x
x = 6,476,738,523,089.21/4,218,438.36 - Step 6: Final answer
x = 1,535,340.33
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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.