Finding the Fourth Proportional to 2,086,735.20, 3,132,435.60 and 1,615,509.60
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Solution
The fourth proportional to 2,086,735.20, 3,132,435.60 and 1,615,509.60 is: 2,425,070.41
Step by Step Solution
- Step 1: Write the proportion equation
2,086,735.20 : 3,132,435.60 = 1,615,509.60 : x - Step 2: Convert to fraction form
2,086,735.20/3,132,435.60 = 1,615,509.60/x - Step 3: Cross multiply
2,086,735.20x = 3,132,435.60 × 1,615,509.60 - Step 4: Simplify right side
2,086,735.20x = 5,060,479,783,181.76 - Step 5: Solve for x
x = 5,060,479,783,181.76/2,086,735.20 - Step 6: Final answer
x = 2,425,070.41
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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.