Finding the Fourth Proportional to 2,128,799.07, 3,193,707.06 and 708,867.45
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Solution
The fourth proportional to 2,128,799.07, 3,193,707.06 and 708,867.45 is: 1,063,470.49
Step by Step Solution
- Step 1: Write the proportion equation
2,128,799.07 : 3,193,707.06 = 708,867.45 : x - Step 2: Convert to fraction form
2,128,799.07/3,193,707.06 = 708,867.45/x - Step 3: Cross multiply
2,128,799.07x = 3,193,707.06 × 708,867.45 - Step 4: Simplify right side
2,128,799.07x = 2,263,914,979,669.20 - Step 5: Solve for x
x = 2,263,914,979,669.20/2,128,799.07 - Step 6: Final answer
x = 1,063,470.49
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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.