Finding the Fourth Proportional to 1,479,793.73, 2,219,970.47 and 469,170.09
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Solution
The fourth proportional to 1,479,793.73, 2,219,970.47 and 469,170.09 is: 703,843.87
Step by Step Solution
- Step 1: Write the proportion equation
1,479,793.73 : 2,219,970.47 = 469,170.09 : x - Step 2: Convert to fraction form
1,479,793.73/2,219,970.47 = 469,170.09/x - Step 3: Cross multiply
1,479,793.73x = 2,219,970.47 × 469,170.09 - Step 4: Simplify right side
1,479,793.73x = 1,041,543,742,861.39 - Step 5: Solve for x
x = 1,041,543,742,861.39/1,479,793.73 - Step 6: Final answer
x = 703,843.87
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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.