Finding the Fourth Proportional to 5,254,829.56, 7,250,427.11 and 3,189,793.99
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Solution
The fourth proportional to 5,254,829.56, 7,250,427.11 and 3,189,793.99 is: 4,401,164.41
Step by Step Solution
- Step 1: Write the proportion equation
5,254,829.56 : 7,250,427.11 = 3,189,793.99 : x - Step 2: Convert to fraction form
5,254,829.56/7,250,427.11 = 3,189,793.99/x - Step 3: Cross multiply
5,254,829.56x = 7,250,427.11 × 3,189,793.99 - Step 4: Simplify right side
5,254,829.56x = 23,127,368,820,411.07 - Step 5: Solve for x
x = 23,127,368,820,411.07/5,254,829.56 - Step 6: Final answer
x = 4,401,164.41
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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.