Finding the Fourth Proportional to 4,297,021.68, 6,445,438.89 and 2,021,284.67
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Solution
The fourth proportional to 4,297,021.68, 6,445,438.89 and 2,021,284.67 is: 3,031,882.95
Step by Step Solution
- Step 1: Write the proportion equation
4,297,021.68 : 6,445,438.89 = 2,021,284.67 : x - Step 2: Convert to fraction form
4,297,021.68/6,445,438.89 = 2,021,284.67/x - Step 3: Cross multiply
4,297,021.68x = 6,445,438.89 × 2,021,284.67 - Step 4: Simplify right side
4,297,021.68x = 13,028,066,777,445.20 - Step 5: Solve for x
x = 13,028,066,777,445.20/4,297,021.68 - Step 6: Final answer
x = 3,031,882.95
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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.