Finding the Fourth Proportional to 1,460,115.87, 2,014,938.68 and 815,545.23
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Solution
The fourth proportional to 1,460,115.87, 2,014,938.68 and 815,545.23 is: 1,125,440.56
Step by Step Solution
- Step 1: Write the proportion equation
1,460,115.87 : 2,014,938.68 = 815,545.23 : x - Step 2: Convert to fraction form
1,460,115.87/2,014,938.68 = 815,545.23/x - Step 3: Cross multiply
1,460,115.87x = 2,014,938.68 × 815,545.23 - Step 4: Simplify right side
1,460,115.87x = 1,643,273,625,138.77 - Step 5: Solve for x
x = 1,643,273,625,138.77/1,460,115.87 - Step 6: Final answer
x = 1,125,440.56
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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.