Finding the Fourth Proportional to 3,219,053.60, 4,829,163.60 and 1,617,586.40
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Solution
The fourth proportional to 3,219,053.60, 4,829,163.60 and 1,617,586.40 is: 2,426,672.66
Step by Step Solution
- Step 1: Write the proportion equation
3,219,053.60 : 4,829,163.60 = 1,617,586.40 : x - Step 2: Convert to fraction form
3,219,053.60/4,829,163.60 = 1,617,586.40/x - Step 3: Cross multiply
3,219,053.60x = 4,829,163.60 × 1,617,586.40 - Step 4: Simplify right side
3,219,053.60x = 7,811,589,362,735.04 - Step 5: Solve for x
x = 7,811,589,362,735.04/3,219,053.60 - Step 6: Final answer
x = 2,426,672.66
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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.