Finding the Fourth Proportional to 2,840,309.57, 3,918,438.09 and 1,736,905.20
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Solution
The fourth proportional to 2,840,309.57, 3,918,438.09 and 1,736,905.20 is: 2,396,202.01
Step by Step Solution
- Step 1: Write the proportion equation
2,840,309.57 : 3,918,438.09 = 1,736,905.20 : x - Step 2: Convert to fraction form
2,840,309.57/3,918,438.09 = 1,736,905.20/x - Step 3: Cross multiply
2,840,309.57x = 3,918,438.09 × 1,736,905.20 - Step 4: Simplify right side
2,840,309.57x = 6,805,955,494,399.07 - Step 5: Solve for x
x = 6,805,955,494,399.07/2,840,309.57 - Step 6: Final answer
x = 2,396,202.01
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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.