Finding the Fourth Proportional to 3,239,482.23, 4,470,399.99 and 1,789,146.45
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Solution
The fourth proportional to 3,239,482.23, 4,470,399.99 and 1,789,146.45 is: 2,468,974.89
Step by Step Solution
- Step 1: Write the proportion equation
3,239,482.23 : 4,470,399.99 = 1,789,146.45 : x - Step 2: Convert to fraction form
3,239,482.23/4,470,399.99 = 1,789,146.45/x - Step 3: Cross multiply
3,239,482.23x = 4,470,399.99 × 1,789,146.45 - Step 4: Simplify right side
3,239,482.23x = 7,998,200,272,188.54 - Step 5: Solve for x
x = 7,998,200,272,188.54/3,239,482.23 - Step 6: Final answer
x = 2,468,974.89
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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.