Finding the Fourth Proportional to 2,889,588.12, 3,987,661.50 and 1,743,447
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Solution
The fourth proportional to 2,889,588.12, 3,987,661.50 and 1,743,447 is: 2,405,974.90
Step by Step Solution
- Step 1: Write the proportion equation
2,889,588.12 : 3,987,661.50 = 1,743,447 : x - Step 2: Convert to fraction form
2,889,588.12/3,987,661.50 = 1,743,447/x - Step 3: Cross multiply
2,889,588.12x = 3,987,661.50 × 1,743,447 - Step 4: Simplify right side
2,889,588.12x = 6,952,276,479,190.50 - Step 5: Solve for x
x = 6,952,276,479,190.50/2,889,588.12 - Step 6: Final answer
x = 2,405,974.90
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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.