Finding the Fourth Proportional to 2,043,846.21, 2,820,372.75 and 1,227,564.84
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Solution
The fourth proportional to 2,043,846.21, 2,820,372.75 and 1,227,564.84 is: 1,693,958.38
Step by Step Solution
- Step 1: Write the proportion equation
2,043,846.21 : 2,820,372.75 = 1,227,564.84 : x - Step 2: Convert to fraction form
2,043,846.21/2,820,372.75 = 1,227,564.84/x - Step 3: Cross multiply
2,043,846.21x = 2,820,372.75 × 1,227,564.84 - Step 4: Simplify right side
2,043,846.21x = 3,462,190,423,594.11 - Step 5: Solve for x
x = 3,462,190,423,594.11/2,043,846.21 - Step 6: Final answer
x = 1,693,958.38
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1.5x scale
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.