Finding the Fourth Proportional to 1,966,147.88, 2,944,497.90 and 1,122,140.84
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Solution
The fourth proportional to 1,966,147.88, 2,944,497.90 and 1,122,140.84 is: 1,680,515.17
Step by Step Solution
- Step 1: Write the proportion equation
1,966,147.88 : 2,944,497.90 = 1,122,140.84 : x - Step 2: Convert to fraction form
1,966,147.88/2,944,497.90 = 1,122,140.84/x - Step 3: Cross multiply
1,966,147.88x = 2,944,497.90 × 1,122,140.84 - Step 4: Simplify right side
1,966,147.88x = 3,304,141,346,884.24 - Step 5: Solve for x
x = 3,304,141,346,884.24/1,966,147.88 - Step 6: Final answer
x = 1,680,515.17
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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.