Finding the Fourth Proportional to 3,538,469.84, 4,883,062.79 and 2,010,576.96
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Solution
The fourth proportional to 3,538,469.84, 4,883,062.79 and 2,010,576.96 is: 2,774,581.67
Step by Step Solution
- Step 1: Write the proportion equation
3,538,469.84 : 4,883,062.79 = 2,010,576.96 : x - Step 2: Convert to fraction form
3,538,469.84/4,883,062.79 = 2,010,576.96/x - Step 3: Cross multiply
3,538,469.84x = 4,883,062.79 × 2,010,576.96 - Step 4: Simplify right side
3,538,469.84x = 9,817,773,544,833.76 - Step 5: Solve for x
x = 9,817,773,544,833.76/3,538,469.84 - Step 6: Final answer
x = 2,774,581.67
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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.