Finding the Fourth Proportional to 3,228,285.79, 4,455,235.87 and 1,777,980.85
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Solution
The fourth proportional to 3,228,285.79, 4,455,235.87 and 1,777,980.85 is: 2,453,724.53
Step by Step Solution
- Step 1: Write the proportion equation
3,228,285.79 : 4,455,235.87 = 1,777,980.85 : x - Step 2: Convert to fraction form
3,228,285.79/4,455,235.87 = 1,777,980.85/x - Step 3: Cross multiply
3,228,285.79x = 4,455,235.87 × 1,777,980.85 - Step 4: Simplify right side
3,228,285.79x = 7,921,324,043,510.05 - Step 5: Solve for x
x = 7,921,324,043,510.05/3,228,285.79 - Step 6: Final answer
x = 2,453,724.53
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1.5x scale
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.