Finding the Fourth Proportional to 7,722,987.12, 11,585,034.72 and 2,043,144
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Solution
The fourth proportional to 7,722,987.12, 11,585,034.72 and 2,043,144 is: 3,064,862.57
Step by Step Solution
- Step 1: Write the proportion equation
7,722,987.12 : 11,585,034.72 = 2,043,144 : x - Step 2: Convert to fraction form
7,722,987.12/11,585,034.72 = 2,043,144/x - Step 3: Cross multiply
7,722,987.12x = 11,585,034.72 × 2,043,144 - Step 4: Simplify right side
7,722,987.12x = 23,669,894,177,959.68 - Step 5: Solve for x
x = 23,669,894,177,959.68/7,722,987.12 - Step 6: Final answer
x = 3,064,862.57
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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.