Finding the Fourth Proportional to 1,613,930.44, 2,421,984.30 and 667,297.48
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Solution
The fourth proportional to 1,613,930.44, 2,421,984.30 and 667,297.48 is: 1,001,396.33
Step by Step Solution
- Step 1: Write the proportion equation
1,613,930.44 : 2,421,984.30 = 667,297.48 : x - Step 2: Convert to fraction form
1,613,930.44/2,421,984.30 = 667,297.48/x - Step 3: Cross multiply
1,613,930.44x = 2,421,984.30 × 667,297.48 - Step 4: Simplify right side
1,613,930.44x = 1,616,184,019,989.56 - Step 5: Solve for x
x = 1,616,184,019,989.56/1,613,930.44 - Step 6: Final answer
x = 1,001,396.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.