Finding the Fourth Proportional to 4,422,966.15, 6,103,889.69 and 2,489,351.97
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Solution
The fourth proportional to 4,422,966.15, 6,103,889.69 and 2,489,351.97 is: 3,435,416.26
Step by Step Solution
- Step 1: Write the proportion equation
4,422,966.15 : 6,103,889.69 = 2,489,351.97 : x - Step 2: Convert to fraction form
4,422,966.15/6,103,889.69 = 2,489,351.97/x - Step 3: Cross multiply
4,422,966.15x = 6,103,889.69 × 2,489,351.97 - Step 4: Simplify right side
4,422,966.15x = 15,194,729,812,017.43 - Step 5: Solve for x
x = 15,194,729,812,017.43/4,422,966.15 - Step 6: Final answer
x = 3,435,416.26
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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.