Finding the Fourth Proportional to 1,581,030.26, 2,181,806.97 and 855,859.34
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Solution
The fourth proportional to 1,581,030.26, 2,181,806.97 and 855,859.34 is: 1,181,077.88
Step by Step Solution
- Step 1: Write the proportion equation
1,581,030.26 : 2,181,806.97 = 855,859.34 : x - Step 2: Convert to fraction form
1,581,030.26/2,181,806.97 = 855,859.34/x - Step 3: Cross multiply
1,581,030.26x = 2,181,806.97 × 855,859.34 - Step 4: Simplify right side
1,581,030.26x = 1,867,319,862,442.57 - Step 5: Solve for x
x = 1,867,319,862,442.57/1,581,030.26 - Step 6: Final answer
x = 1,181,077.88
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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.