Finding the Fourth Proportional to 2,889,907.57, 3,988,203.74 and 1,600,747.80
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Solution
The fourth proportional to 2,889,907.57, 3,988,203.74 and 1,600,747.80 is: 2,209,104.69
Step by Step Solution
- Step 1: Write the proportion equation
2,889,907.57 : 3,988,203.74 = 1,600,747.80 : x - Step 2: Convert to fraction form
2,889,907.57/3,988,203.74 = 1,600,747.80/x - Step 3: Cross multiply
2,889,907.57x = 3,988,203.74 × 1,600,747.80 - Step 4: Simplify right side
2,889,907.57x = 6,384,108,362,756.77 - Step 5: Solve for x
x = 6,384,108,362,756.77/2,889,907.57 - Step 6: Final answer
x = 2,209,104.69
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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.