Finding the Fourth Proportional to 1,936,398.92, 2,904,205.26 and 1,216,419.08
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Solution
The fourth proportional to 1,936,398.92, 2,904,205.26 and 1,216,419.08 is: 1,824,381.67
Step by Step Solution
- Step 1: Write the proportion equation
1,936,398.92 : 2,904,205.26 = 1,216,419.08 : x - Step 2: Convert to fraction form
1,936,398.92/2,904,205.26 = 1,216,419.08/x - Step 3: Cross multiply
1,936,398.92x = 2,904,205.26 × 1,216,419.08 - Step 4: Simplify right side
1,936,398.92x = 3,532,730,690,500.36 - Step 5: Solve for x
x = 3,532,730,690,500.36/1,936,398.92 - Step 6: Final answer
x = 1,824,381.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.