Finding the Fourth Proportional to 1,615,735.16, 2,229,729.36 and 890,610.68
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Solution
The fourth proportional to 1,615,735.16, 2,229,729.36 and 890,610.68 is: 1,229,050.92
Step by Step Solution
- Step 1: Write the proportion equation
1,615,735.16 : 2,229,729.36 = 890,610.68 : x - Step 2: Convert to fraction form
1,615,735.16/2,229,729.36 = 890,610.68/x - Step 3: Cross multiply
1,615,735.16x = 2,229,729.36 × 890,610.68 - Step 4: Simplify right side
1,615,735.16x = 1,985,820,781,525.56 - Step 5: Solve for x
x = 1,985,820,781,525.56/1,615,735.16 - Step 6: Final answer
x = 1,229,050.92
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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.