Finding the Fourth Proportional to 1,589,568.44, 2,199,380.96 and 1,386,043.80
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Solution
The fourth proportional to 1,589,568.44, 2,199,380.96 and 1,386,043.80 is: 1,917,777.35
Step by Step Solution
- Step 1: Write the proportion equation
1,589,568.44 : 2,199,380.96 = 1,386,043.80 : x - Step 2: Convert to fraction form
1,589,568.44/2,199,380.96 = 1,386,043.80/x - Step 3: Cross multiply
1,589,568.44x = 2,199,380.96 × 1,386,043.80 - Step 4: Simplify right side
1,589,568.44x = 3,048,438,343,446.05 - Step 5: Solve for x
x = 3,048,438,343,446.05/1,589,568.44 - Step 6: Final answer
x = 1,917,777.35
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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.