Finding the Fourth Proportional to 2,765,879.79, 3,808,228.39 and 2,351,601.87
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Solution
The fourth proportional to 2,765,879.79, 3,808,228.39 and 2,351,601.87 is: 3,237,825.82
Step by Step Solution
- Step 1: Write the proportion equation
2,765,879.79 : 3,808,228.39 = 2,351,601.87 : x - Step 2: Convert to fraction form
2,765,879.79/3,808,228.39 = 2,351,601.87/x - Step 3: Cross multiply
2,765,879.79x = 3,808,228.39 × 2,351,601.87 - Step 4: Simplify right side
2,765,879.79x = 8,955,437,003,311.09 - Step 5: Solve for x
x = 8,955,437,003,311.09/2,765,879.79 - Step 6: Final answer
x = 3,237,825.82
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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.