Finding the Fourth Proportional to 1,585,193.60, 2,187,579.53 and 931,644.11
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Solution
The fourth proportional to 1,585,193.60, 2,187,579.53 and 931,644.11 is: 1,285,676.14
Step by Step Solution
- Step 1: Write the proportion equation
1,585,193.60 : 2,187,579.53 = 931,644.11 : x - Step 2: Convert to fraction form
1,585,193.60/2,187,579.53 = 931,644.11/x - Step 3: Cross multiply
1,585,193.60x = 2,187,579.53 × 931,644.11 - Step 4: Simplify right side
1,585,193.60x = 2,038,045,575,672.28 - Step 5: Solve for x
x = 2,038,045,575,672.28/1,585,193.60 - Step 6: Final answer
x = 1,285,676.14
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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.