Finding the Fourth Proportional to 3,626,986.14, 5,005,240.84 and 1,995,358.49
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Solution
The fourth proportional to 3,626,986.14, 5,005,240.84 and 1,995,358.49 is: 2,753,594.70
Step by Step Solution
- Step 1: Write the proportion equation
3,626,986.14 : 5,005,240.84 = 1,995,358.49 : x - Step 2: Convert to fraction form
3,626,986.14/5,005,240.84 = 1,995,358.49/x - Step 3: Cross multiply
3,626,986.14x = 5,005,240.84 × 1,995,358.49 - Step 4: Simplify right side
3,626,986.14x = 9,987,249,804,588.73 - Step 5: Solve for x
x = 9,987,249,804,588.73/3,626,986.14 - Step 6: Final answer
x = 2,753,594.70
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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.