Finding the Fourth Proportional to 3,565,094.01, 4,920,458.60 and 2,115,588.68
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Solution
The fourth proportional to 3,565,094.01, 4,920,458.60 and 2,115,588.68 is: 2,919,885.56
Step by Step Solution
- Step 1: Write the proportion equation
3,565,094.01 : 4,920,458.60 = 2,115,588.68 : x - Step 2: Convert to fraction form
3,565,094.01/4,920,458.60 = 2,115,588.68/x - Step 3: Cross multiply
3,565,094.01x = 4,920,458.60 × 2,115,588.68 - Step 4: Simplify right side
3,565,094.01x = 10,409,666,514,568.65 - Step 5: Solve for x
x = 10,409,666,514,568.65/3,565,094.01 - Step 6: Final answer
x = 2,919,885.56
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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.