Finding the Fourth Proportional to 2,003,380.56, 2,764,169.28 and 1,187,775.36
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Solution
The fourth proportional to 2,003,380.56, 2,764,169.28 and 1,187,775.36 is: 1,638,835.99
Step by Step Solution
- Step 1: Write the proportion equation
2,003,380.56 : 2,764,169.28 = 1,187,775.36 : x - Step 2: Convert to fraction form
2,003,380.56/2,764,169.28 = 1,187,775.36/x - Step 3: Cross multiply
2,003,380.56x = 2,764,169.28 × 1,187,775.36 - Step 4: Simplify right side
2,003,380.56x = 3,283,212,161,652.94 - Step 5: Solve for x
x = 3,283,212,161,652.94/2,003,380.56 - Step 6: Final answer
x = 1,638,835.99
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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.