Finding the Fourth Proportional to 2,877,972.97, 4,316,207.67 and 855,672.28
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Solution
The fourth proportional to 2,877,972.97, 4,316,207.67 and 855,672.28 is: 1,283,284.90
Step by Step Solution
- Step 1: Write the proportion equation
2,877,972.97 : 4,316,207.67 = 855,672.28 : x - Step 2: Convert to fraction form
2,877,972.97/4,316,207.67 = 855,672.28/x - Step 3: Cross multiply
2,877,972.97x = 4,316,207.67 × 855,672.28 - Step 4: Simplify right side
2,877,972.97x = 3,693,259,257,942.39 - Step 5: Solve for x
x = 3,693,259,257,942.39/2,877,972.97 - Step 6: Final answer
x = 1,283,284.90
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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.