Finding the Fourth Proportional to 2,297,421.23, 3,170,388.80 and 1,438,455.11
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Solution
The fourth proportional to 2,297,421.23, 3,170,388.80 and 1,438,455.11 is: 1,985,035.18
Step by Step Solution
- Step 1: Write the proportion equation
2,297,421.23 : 3,170,388.80 = 1,438,455.11 : x - Step 2: Convert to fraction form
2,297,421.23/3,170,388.80 = 1,438,455.11/x - Step 3: Cross multiply
2,297,421.23x = 3,170,388.80 × 1,438,455.11 - Step 4: Simplify right side
2,297,421.23x = 4,560,461,957,790.96 - Step 5: Solve for x
x = 4,560,461,957,790.96/2,297,421.23 - Step 6: Final answer
x = 1,985,035.18
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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.