Finding the Fourth Proportional to 3,110,312.42, 4,664,768.79 and 1,115,768.42
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Solution
The fourth proportional to 3,110,312.42, 4,664,768.79 and 1,115,768.42 is: 1,673,401.58
Step by Step Solution
- Step 1: Write the proportion equation
3,110,312.42 : 4,664,768.79 = 1,115,768.42 : x - Step 2: Convert to fraction form
3,110,312.42/4,664,768.79 = 1,115,768.42/x - Step 3: Cross multiply
3,110,312.42x = 4,664,768.79 × 1,115,768.42 - Step 4: Simplify right side
3,110,312.42x = 5,204,801,702,483.61 - Step 5: Solve for x
x = 5,204,801,702,483.61/3,110,312.42 - Step 6: Final answer
x = 1,673,401.58
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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.