Finding the Fourth Proportional to 5,417,183.24, 7,475,665.12 and 2,969,749.80
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Solution
The fourth proportional to 5,417,183.24, 7,475,665.12 and 2,969,749.80 is: 4,098,228.55
Step by Step Solution
- Step 1: Write the proportion equation
5,417,183.24 : 7,475,665.12 = 2,969,749.80 : x - Step 2: Convert to fraction form
5,417,183.24/7,475,665.12 = 2,969,749.80/x - Step 3: Cross multiply
5,417,183.24x = 7,475,665.12 × 2,969,749.80 - Step 4: Simplify right side
5,417,183.24x = 22,200,854,994,986.98 - Step 5: Solve for x
x = 22,200,854,994,986.98/5,417,183.24 - Step 6: Final answer
x = 4,098,228.55
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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.