Finding the Fourth Proportional to 2,591,645.76, 3,576,446.70 and 1,430,102.70
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Solution
The fourth proportional to 2,591,645.76, 3,576,446.70 and 1,430,102.70 is: 1,973,528.23
Step by Step Solution
- Step 1: Write the proportion equation
2,591,645.76 : 3,576,446.70 = 1,430,102.70 : x - Step 2: Convert to fraction form
2,591,645.76/3,576,446.70 = 1,430,102.70/x - Step 3: Cross multiply
2,591,645.76x = 3,576,446.70 × 1,430,102.70 - Step 4: Simplify right side
2,591,645.76x = 5,114,686,082,076.09 - Step 5: Solve for x
x = 5,114,686,082,076.09/2,591,645.76 - Step 6: Final answer
x = 1,973,528.23
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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.