Finding the Fourth Proportional to 4,031,113.38, 5,562,936.53 and 2,220,277.38
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Solution
The fourth proportional to 4,031,113.38, 5,562,936.53 and 2,220,277.38 is: 3,063,982.82
Step by Step Solution
- Step 1: Write the proportion equation
4,031,113.38 : 5,562,936.53 = 2,220,277.38 : x - Step 2: Convert to fraction form
4,031,113.38/5,562,936.53 = 2,220,277.38/x - Step 3: Cross multiply
4,031,113.38x = 5,562,936.53 × 2,220,277.38 - Step 4: Simplify right side
4,031,113.38x = 12,351,262,143,934.69 - Step 5: Solve for x
x = 12,351,262,143,934.69/4,031,113.38 - Step 6: Final answer
x = 3,063,982.82
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1.5x scale
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.