Finding the Fourth Proportional to 1,498,548.96, 2,067,996.42 and 819,485.28
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Solution
The fourth proportional to 1,498,548.96, 2,067,996.42 and 819,485.28 is: 1,130,889.06
Step by Step Solution
- Step 1: Write the proportion equation
1,498,548.96 : 2,067,996.42 = 819,485.28 : x - Step 2: Convert to fraction form
1,498,548.96/2,067,996.42 = 819,485.28/x - Step 3: Cross multiply
1,498,548.96x = 2,067,996.42 × 819,485.28 - Step 4: Simplify right side
1,498,548.96x = 1,694,692,625,282.70 - Step 5: Solve for x
x = 1,694,692,625,282.70/1,498,548.96 - Step 6: Final answer
x = 1,130,889.06
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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.