Finding the Fourth Proportional to 1,657,734.56, 2,481,253.68 and 857,916.80
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Solution
The fourth proportional to 1,657,734.56, 2,481,253.68 and 857,916.80 is: 1,284,107.40
Step by Step Solution
- Step 1: Write the proportion equation
1,657,734.56 : 2,481,253.68 = 857,916.80 : x - Step 2: Convert to fraction form
1,657,734.56/2,481,253.68 = 857,916.80/x - Step 3: Cross multiply
1,657,734.56x = 2,481,253.68 × 857,916.80 - Step 4: Simplify right side
1,657,734.56x = 2,128,709,217,133.82 - Step 5: Solve for x
x = 2,128,709,217,133.82/1,657,734.56 - Step 6: Final answer
x = 1,284,107.40
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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.