Finding the Fourth Proportional to 2,128,803.11, 3,193,713.08 and 708,871.49
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Solution
The fourth proportional to 2,128,803.11, 3,193,713.08 and 708,871.49 is: 1,063,476.53
Step by Step Solution
- Step 1: Write the proportion equation
2,128,803.11 : 3,193,713.08 = 708,871.49 : x - Step 2: Convert to fraction form
2,128,803.11/3,193,713.08 = 708,871.49/x - Step 3: Cross multiply
2,128,803.11x = 3,193,713.08 × 708,871.49 - Step 4: Simplify right side
2,128,803.11x = 2,263,932,146,107.73 - Step 5: Solve for x
x = 2,263,932,146,107.73/2,128,803.11 - Step 6: Final answer
x = 1,063,476.53
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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.