Finding the Fourth Proportional to 2,161,794.06, 2,982,865.23 and 1,356,615.18
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Solution
The fourth proportional to 2,161,794.06, 2,982,865.23 and 1,356,615.18 is: 1,871,871.30
Step by Step Solution
- Step 1: Write the proportion equation
2,161,794.06 : 2,982,865.23 = 1,356,615.18 : x - Step 2: Convert to fraction form
2,161,794.06/2,982,865.23 = 1,356,615.18/x - Step 3: Cross multiply
2,161,794.06x = 2,982,865.23 × 1,356,615.18 - Step 4: Simplify right side
2,161,794.06x = 4,046,600,250,912.19 - Step 5: Solve for x
x = 4,046,600,250,912.19/2,161,794.06 - Step 6: Final answer
x = 1,871,871.30
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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.