Finding the Fourth Proportional to 2,016,479.18, 2,782,708.62 and 1,098,720.56
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Solution
The fourth proportional to 2,016,479.18, 2,782,708.62 and 1,098,720.56 is: 1,516,216.58
Step by Step Solution
- Step 1: Write the proportion equation
2,016,479.18 : 2,782,708.62 = 1,098,720.56 : x - Step 2: Convert to fraction form
2,016,479.18/2,782,708.62 = 1,098,720.56/x - Step 3: Cross multiply
2,016,479.18x = 2,782,708.62 × 1,098,720.56 - Step 4: Simplify right side
2,016,479.18x = 3,057,419,173,283.23 - Step 5: Solve for x
x = 3,057,419,173,283.23/2,016,479.18 - Step 6: Final answer
x = 1,516,216.58
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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.