Finding the Fourth Proportional to 2,290,936.05, 3,161,389.41 and 1,373,671.49
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Solution
The fourth proportional to 2,290,936.05, 3,161,389.41 and 1,373,671.49 is: 1,895,605.29
Step by Step Solution
- Step 1: Write the proportion equation
2,290,936.05 : 3,161,389.41 = 1,373,671.49 : x - Step 2: Convert to fraction form
2,290,936.05/3,161,389.41 = 1,373,671.49/x - Step 3: Cross multiply
2,290,936.05x = 3,161,389.41 × 1,373,671.49 - Step 4: Simplify right side
2,290,936.05x = 4,342,710,485,497.97 - Step 5: Solve for x
x = 4,342,710,485,497.97/2,290,936.05 - Step 6: Final answer
x = 1,895,605.29
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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.