Finding the Fourth Proportional to 3,921,043.94, 5,877,360.97 and 1,896,502.84
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Solution
The fourth proportional to 3,921,043.94, 5,877,360.97 and 1,896,502.84 is: 2,842,720.45
Step by Step Solution
- Step 1: Write the proportion equation
3,921,043.94 : 5,877,360.97 = 1,896,502.84 : x - Step 2: Convert to fraction form
3,921,043.94/5,877,360.97 = 1,896,502.84/x - Step 3: Cross multiply
3,921,043.94x = 5,877,360.97 × 1,896,502.84 - Step 4: Simplify right side
3,921,043.94x = 11,146,431,775,739.73 - Step 5: Solve for x
x = 11,146,431,775,739.73/3,921,043.94 - Step 6: Final answer
x = 2,842,720.45
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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.