Finding the Fourth Proportional to 8,987,679.06, 13,481,617.05 and 2,597,986.80
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Solution
The fourth proportional to 8,987,679.06, 13,481,617.05 and 2,597,986.80 is: 3,897,008.66
Step by Step Solution
- Step 1: Write the proportion equation
8,987,679.06 : 13,481,617.05 = 2,597,986.80 : x - Step 2: Convert to fraction form
8,987,679.06/13,481,617.05 = 2,597,986.80/x - Step 3: Cross multiply
8,987,679.06x = 13,481,617.05 × 2,597,986.80 - Step 4: Simplify right side
8,987,679.06x = 35,025,063,138,554.94 - Step 5: Solve for x
x = 35,025,063,138,554.94/8,987,679.06 - Step 6: Final answer
x = 3,897,008.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.