Finding the Fourth Proportional to 1,888,245.54, 2,605,808.70 and 1,028,805.48
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Solution
The fourth proportional to 1,888,245.54, 2,605,808.70 and 1,028,805.48 is: 1,419,767.83
Step by Step Solution
- Step 1: Write the proportion equation
1,888,245.54 : 2,605,808.70 = 1,028,805.48 : x - Step 2: Convert to fraction form
1,888,245.54/2,605,808.70 = 1,028,805.48/x - Step 3: Cross multiply
1,888,245.54x = 2,605,808.70 × 1,028,805.48 - Step 4: Simplify right side
1,888,245.54x = 2,680,870,270,391.68 - Step 5: Solve for x
x = 2,680,870,270,391.68/1,888,245.54 - Step 6: Final answer
x = 1,419,767.83
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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.