Finding the Fourth Proportional to 1,456,015.90, 2,183,635.05 and 445,135.90
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Solution
The fourth proportional to 1,456,015.90, 2,183,635.05 and 445,135.90 is: 667,584.99
Step by Step Solution
- Step 1: Write the proportion equation
1,456,015.90 : 2,183,635.05 = 445,135.90 : x - Step 2: Convert to fraction form
1,456,015.90/2,183,635.05 = 445,135.90/x - Step 3: Cross multiply
1,456,015.90x = 2,183,635.05 × 445,135.90 - Step 4: Simplify right side
1,456,015.90x = 972,014,353,253.30 - Step 5: Solve for x
x = 972,014,353,253.30/1,456,015.90 - Step 6: Final answer
x = 667,584.99
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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.