Finding the Fourth Proportional to 3,931,334.49, 5,425,230.53 and 2,212,455.01
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Solution
The fourth proportional to 3,931,334.49, 5,425,230.53 and 2,212,455.01 is: 3,053,181.68
Step by Step Solution
- Step 1: Write the proportion equation
3,931,334.49 : 5,425,230.53 = 2,212,455.01 : x - Step 2: Convert to fraction form
3,931,334.49/5,425,230.53 = 2,212,455.01/x - Step 3: Cross multiply
3,931,334.49x = 5,425,230.53 × 2,212,455.01 - Step 4: Simplify right side
3,931,334.49x = 12,003,078,462,421.29 - Step 5: Solve for x
x = 12,003,078,462,421.29/3,931,334.49 - Step 6: Final answer
x = 3,053,181.68
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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.