Finding the Fourth Proportional to 2,023,658.46, 2,791,751.67 and 1,207,387.55
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Solution
The fourth proportional to 2,023,658.46, 2,791,751.67 and 1,207,387.55 is: 1,665,659.64
Step by Step Solution
- Step 1: Write the proportion equation
2,023,658.46 : 2,791,751.67 = 1,207,387.55 : x - Step 2: Convert to fraction form
2,023,658.46/2,791,751.67 = 1,207,387.55/x - Step 3: Cross multiply
2,023,658.46x = 2,791,751.67 × 1,207,387.55 - Step 4: Simplify right side
2,023,658.46x = 3,370,726,216,029.09 - Step 5: Solve for x
x = 3,370,726,216,029.09/2,023,658.46 - Step 6: Final answer
x = 1,665,659.64
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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.