Finding the Fourth Proportional to 5,201,211.70, 7,801,817.55 and 4,571,355.70
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Solution
The fourth proportional to 5,201,211.70, 7,801,817.55 and 4,571,355.70 is: 6,857,033.55
Step by Step Solution
- Step 1: Write the proportion equation
5,201,211.70 : 7,801,817.55 = 4,571,355.70 : x - Step 2: Convert to fraction form
5,201,211.70/7,801,817.55 = 4,571,355.70/x - Step 3: Cross multiply
5,201,211.70x = 7,801,817.55 × 4,571,355.70 - Step 4: Simplify right side
5,201,211.70x = 35,664,883,127,552.54 - Step 5: Solve for x
x = 35,664,883,127,552.54/5,201,211.70 - Step 6: Final answer
x = 6,857,033.55
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Similar ratio
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1.5x scale
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.