Finding the Fourth Proportional to 2,293,998.56, 3,165,769.36 and 1,261,440.88
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Solution
The fourth proportional to 2,293,998.56, 3,165,769.36 and 1,261,440.88 is: 1,740,816.65
Step by Step Solution
- Step 1: Write the proportion equation
2,293,998.56 : 3,165,769.36 = 1,261,440.88 : x - Step 2: Convert to fraction form
2,293,998.56/3,165,769.36 = 1,261,440.88/x - Step 3: Cross multiply
2,293,998.56x = 3,165,769.36 × 1,261,440.88 - Step 4: Simplify right side
2,293,998.56x = 3,993,430,887,355.44 - Step 5: Solve for x
x = 3,993,430,887,355.44/2,293,998.56 - Step 6: Final answer
x = 1,740,816.65
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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.