Finding the Fourth Proportional to 3,405,562.56, 4,699,874.88 and 1,955,260.80
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Solution
The fourth proportional to 3,405,562.56, 4,699,874.88 and 1,955,260.80 is: 2,698,373.90
Step by Step Solution
- Step 1: Write the proportion equation
3,405,562.56 : 4,699,874.88 = 1,955,260.80 : x - Step 2: Convert to fraction form
3,405,562.56/4,699,874.88 = 1,955,260.80/x - Step 3: Cross multiply
3,405,562.56x = 4,699,874.88 × 1,955,260.80 - Step 4: Simplify right side
3,405,562.56x = 9,189,481,117,768.70 - Step 5: Solve for x
x = 9,189,481,117,768.70/3,405,562.56 - Step 6: Final answer
x = 2,698,373.90
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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.