Finding the Fourth Proportional to 2,878,167.22, 4,317,190.99 and 959,217.48
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Solution
The fourth proportional to 2,878,167.22, 4,317,190.99 and 959,217.48 is: 1,438,806.28
Step by Step Solution
- Step 1: Write the proportion equation
2,878,167.22 : 4,317,190.99 = 959,217.48 : x - Step 2: Convert to fraction form
2,878,167.22/4,317,190.99 = 959,217.48/x - Step 3: Cross multiply
2,878,167.22x = 4,317,190.99 × 959,217.48 - Step 4: Simplify right side
2,878,167.22x = 4,141,125,059,708.46 - Step 5: Solve for x
x = 4,141,125,059,708.46/2,878,167.22 - Step 6: Final answer
x = 1,438,806.28
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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.