Finding the Fourth Proportional to 2,015,542.21, 2,781,500.94 and 1,097,806.14
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Solution
The fourth proportional to 2,015,542.21, 2,781,500.94 and 1,097,806.14 is: 1,515,001.17
Step by Step Solution
- Step 1: Write the proportion equation
2,015,542.21 : 2,781,500.94 = 1,097,806.14 : x - Step 2: Convert to fraction form
2,015,542.21/2,781,500.94 = 1,097,806.14/x - Step 3: Cross multiply
2,015,542.21x = 2,781,500.94 × 1,097,806.14 - Step 4: Simplify right side
2,015,542.21x = 3,053,548,810,347.77 - Step 5: Solve for x
x = 3,053,548,810,347.77/2,015,542.21 - Step 6: Final answer
x = 1,515,001.17
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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.