Finding the Fourth Proportional to 1,587,486.41, 2,190,791.34 and 889,780.00
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Solution
The fourth proportional to 1,587,486.41, 2,190,791.34 and 889,780.00 is: 1,227,930.08
Step by Step Solution
- Step 1: Write the proportion equation
1,587,486.41 : 2,190,791.34 = 889,780.00 : x - Step 2: Convert to fraction form
1,587,486.41/2,190,791.34 = 889,780.00/x - Step 3: Cross multiply
1,587,486.41x = 2,190,791.34 × 889,780.00 - Step 4: Simplify right side
1,587,486.41x = 1,949,322,313,028.22 - Step 5: Solve for x
x = 1,949,322,313,028.22/1,587,486.41 - Step 6: Final answer
x = 1,227,930.08
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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.