Finding the Fourth Proportional to 3,441,644.37, 4,750,063.71 and 1,992,139.02
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Solution
The fourth proportional to 3,441,644.37, 4,750,063.71 and 1,992,139.02 is: 2,749,495.95
Step by Step Solution
- Step 1: Write the proportion equation
3,441,644.37 : 4,750,063.71 = 1,992,139.02 : x - Step 2: Convert to fraction form
3,441,644.37/4,750,063.71 = 1,992,139.02/x - Step 3: Cross multiply
3,441,644.37x = 4,750,063.71 × 1,992,139.02 - Step 4: Simplify right side
3,441,644.37x = 9,462,787,264,176.97 - Step 5: Solve for x
x = 9,462,787,264,176.97/3,441,644.37 - Step 6: Final answer
x = 2,749,495.95
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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.