Finding the Fourth Proportional to 1,857,854.24, 2,563,940.28 and 1,042,316.24
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Solution
The fourth proportional to 1,857,854.24, 2,563,940.28 and 1,042,316.24 is: 1,438,453.32
Step by Step Solution
- Step 1: Write the proportion equation
1,857,854.24 : 2,563,940.28 = 1,042,316.24 : x - Step 2: Convert to fraction form
1,857,854.24/2,563,940.28 = 1,042,316.24/x - Step 3: Cross multiply
1,857,854.24x = 2,563,940.28 × 1,042,316.24 - Step 4: Simplify right side
1,857,854.24x = 2,672,436,592,234.15 - Step 5: Solve for x
x = 2,672,436,592,234.15/1,857,854.24 - Step 6: Final answer
x = 1,438,453.32
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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.