Finding the Fourth Proportional to 4,422,431.71, 6,633,684.69 and 1,227,806.99
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Solution
The fourth proportional to 4,422,431.71, 6,633,684.69 and 1,227,806.99 is: 1,841,720.79
Step by Step Solution
- Step 1: Write the proportion equation
4,422,431.71 : 6,633,684.69 = 1,227,806.99 : x - Step 2: Convert to fraction form
4,422,431.71/6,633,684.69 = 1,227,806.99/x - Step 3: Cross multiply
4,422,431.71x = 6,633,684.69 × 1,227,806.99 - Step 4: Simplify right side
4,422,431.71x = 8,144,884,425,698.95 - Step 5: Solve for x
x = 8,144,884,425,698.95/4,422,431.71 - Step 6: Final answer
x = 1,841,720.79
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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.