Finding the Fourth Proportional to 5,481,118.27, 8,221,480.57 and 1,437,573.97
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Solution
The fourth proportional to 5,481,118.27, 8,221,480.57 and 1,437,573.97 is: 2,156,309.33
Step by Step Solution
- Step 1: Write the proportion equation
5,481,118.27 : 8,221,480.57 = 1,437,573.97 : x - Step 2: Convert to fraction form
5,481,118.27/8,221,480.57 = 1,437,573.97/x - Step 3: Cross multiply
5,481,118.27x = 8,221,480.57 × 1,437,573.97 - Step 4: Simplify right side
5,481,118.27x = 11,818,986,462,292.76 - Step 5: Solve for x
x = 11,818,986,462,292.76/5,481,118.27 - Step 6: Final answer
x = 2,156,309.33
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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.