Finding the Fourth Proportional to 4,680,212.90, 7,020,319.35 and 2,664,673.70
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Solution
The fourth proportional to 4,680,212.90, 7,020,319.35 and 2,664,673.70 is: 3,997,010.55
Step by Step Solution
- Step 1: Write the proportion equation
4,680,212.90 : 7,020,319.35 = 2,664,673.70 : x - Step 2: Convert to fraction form
4,680,212.90/7,020,319.35 = 2,664,673.70/x - Step 3: Cross multiply
4,680,212.90x = 7,020,319.35 × 2,664,673.70 - Step 4: Simplify right side
4,680,212.90x = 18,706,860,337,546.09 - Step 5: Solve for x
x = 18,706,860,337,546.09/4,680,212.90 - Step 6: Final answer
x = 3,997,010.55
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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.