Finding the Fourth Proportional to 2,288,011.68, 3,157,915.68 and 1,321,299.36
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Solution
The fourth proportional to 2,288,011.68, 3,157,915.68 and 1,321,299.36 is: 1,823,658.51
Step by Step Solution
- Step 1: Write the proportion equation
2,288,011.68 : 3,157,915.68 = 1,321,299.36 : x - Step 2: Convert to fraction form
2,288,011.68/3,157,915.68 = 1,321,299.36/x - Step 3: Cross multiply
2,288,011.68x = 3,157,915.68 × 1,321,299.36 - Step 4: Simplify right side
2,288,011.68x = 4,172,551,966,917.97 - Step 5: Solve for x
x = 4,172,551,966,917.97/2,288,011.68 - Step 6: Final answer
x = 1,823,658.51
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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.