Finding the Fourth Proportional to 1,589,835.07, 2,193,987.09 and 864,697.15
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Solution
The fourth proportional to 1,589,835.07, 2,193,987.09 and 864,697.15 is: 1,193,290.06
Step by Step Solution
- Step 1: Write the proportion equation
1,589,835.07 : 2,193,987.09 = 864,697.15 : x - Step 2: Convert to fraction form
1,589,835.07/2,193,987.09 = 864,697.15/x - Step 3: Cross multiply
1,589,835.07x = 2,193,987.09 × 864,697.15 - Step 4: Simplify right side
1,589,835.07x = 1,897,134,383,859.79 - Step 5: Solve for x
x = 1,897,134,383,859.79/1,589,835.07 - Step 6: Final answer
x = 1,193,290.06
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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.