Finding the Fourth Proportional to 2,125,863.24, 3,188,806.38 and 629,968.20
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Solution
The fourth proportional to 2,125,863.24, 3,188,806.38 and 629,968.20 is: 944,955.71
Step by Step Solution
- Step 1: Write the proportion equation
2,125,863.24 : 3,188,806.38 = 629,968.20 : x - Step 2: Convert to fraction form
2,125,863.24/3,188,806.38 = 629,968.20/x - Step 3: Cross multiply
2,125,863.24x = 3,188,806.38 × 629,968.20 - Step 4: Simplify right side
2,125,863.24x = 2,008,846,615,357.12 - Step 5: Solve for x
x = 2,008,846,615,357.12/2,125,863.24 - Step 6: Final answer
x = 944,955.71
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1.5x scale
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.