Finding the Fourth Proportional to 1,485,769.56, 2,229,539.70 and 539,214.06
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Solution
The fourth proportional to 1,485,769.56, 2,229,539.70 and 539,214.06 is: 809,142.40
Step by Step Solution
- Step 1: Write the proportion equation
1,485,769.56 : 2,229,539.70 = 539,214.06 : x - Step 2: Convert to fraction form
1,485,769.56/2,229,539.70 = 539,214.06/x - Step 3: Cross multiply
1,485,769.56x = 2,229,539.70 × 539,214.06 - Step 4: Simplify right side
1,485,769.56x = 1,202,199,153,568.18 - Step 5: Solve for x
x = 1,202,199,153,568.18/1,485,769.56 - Step 6: Final answer
x = 809,142.40
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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.