Finding the Fourth Proportional to 2,890,588.97, 3,987,208.91 and 1,859,441.19
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Solution
The fourth proportional to 2,890,588.97, 3,987,208.91 and 1,859,441.19 is: 2,564,868.46
Step by Step Solution
- Step 1: Write the proportion equation
2,890,588.97 : 3,987,208.91 = 1,859,441.19 : x - Step 2: Convert to fraction form
2,890,588.97/3,987,208.91 = 1,859,441.19/x - Step 3: Cross multiply
2,890,588.97x = 3,987,208.91 × 1,859,441.19 - Step 4: Simplify right side
2,890,588.97x = 7,413,980,471,091.80 - Step 5: Solve for x
x = 7,413,980,471,091.80/2,890,588.97 - Step 6: Final answer
x = 2,564,868.46
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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.