Finding the Fourth Proportional to 5,389,822.70, 8,084,734.05 and 5,177,246.30
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Solution
The fourth proportional to 5,389,822.70, 8,084,734.05 and 5,177,246.30 is: 7,765,869.45
Step by Step Solution
- Step 1: Write the proportion equation
5,389,822.70 : 8,084,734.05 = 5,177,246.30 : x - Step 2: Convert to fraction form
5,389,822.70/8,084,734.05 = 5,177,246.30/x - Step 3: Cross multiply
5,389,822.70x = 8,084,734.05 × 5,177,246.30 - Step 4: Simplify right side
5,389,822.70x = 41,856,659,446,846.52 - Step 5: Solve for x
x = 41,856,659,446,846.52/5,389,822.70 - Step 6: Final answer
x = 7,765,869.45
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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.