Finding the Fourth Proportional to 1,615,289.44, 2,229,114.06 and 890,163.13
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Solution
The fourth proportional to 1,615,289.44, 2,229,114.06 and 890,163.13 is: 1,228,433.18
Step by Step Solution
- Step 1: Write the proportion equation
1,615,289.44 : 2,229,114.06 = 890,163.13 : x - Step 2: Convert to fraction form
1,615,289.44/2,229,114.06 = 890,163.13/x - Step 3: Cross multiply
1,615,289.44x = 2,229,114.06 × 890,163.13 - Step 4: Simplify right side
1,615,289.44x = 1,984,275,148,776.61 - Step 5: Solve for x
x = 1,984,275,148,776.61/1,615,289.44 - Step 6: Final answer
x = 1,228,433.18
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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.