Finding the Fourth Proportional to 1,923,573.56, 2,652,565.74 and 1,279,098.68
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Solution
The fourth proportional to 1,923,573.56, 2,652,565.74 and 1,279,098.68 is: 1,763,849.02
Step by Step Solution
- Step 1: Write the proportion equation
1,923,573.56 : 2,652,565.74 = 1,279,098.68 : x - Step 2: Convert to fraction form
1,923,573.56/2,652,565.74 = 1,279,098.68/x - Step 3: Cross multiply
1,923,573.56x = 2,652,565.74 × 1,279,098.68 - Step 4: Simplify right side
1,923,573.56x = 3,392,893,336,647.22 - Step 5: Solve for x
x = 3,392,893,336,647.22/1,923,573.56 - Step 6: Final answer
x = 1,763,849.02
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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.