Finding the Fourth Proportional to 2,220,901.76, 3,064,851.33 and 1,202,304.08
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Solution
The fourth proportional to 2,220,901.76, 3,064,851.33 and 1,202,304.08 is: 1,659,183.37
Step by Step Solution
- Step 1: Write the proportion equation
2,220,901.76 : 3,064,851.33 = 1,202,304.08 : x - Step 2: Convert to fraction form
2,220,901.76/3,064,851.33 = 1,202,304.08/x - Step 3: Cross multiply
2,220,901.76x = 3,064,851.33 × 1,202,304.08 - Step 4: Simplify right side
2,220,901.76x = 3,684,883,258,652.43 - Step 5: Solve for x
x = 3,684,883,258,652.43/2,220,901.76 - Step 6: Final answer
x = 1,659,183.37
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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.