Finding the Fourth Proportional to 5,321,960.24, 7,987,987.20 and 3,294,069.92
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Solution
The fourth proportional to 5,321,960.24, 7,987,987.20 and 3,294,069.92 is: 4,944,228.66
Step by Step Solution
- Step 1: Write the proportion equation
5,321,960.24 : 7,987,987.20 = 3,294,069.92 : x - Step 2: Convert to fraction form
5,321,960.24/7,987,987.20 = 3,294,069.92/x - Step 3: Cross multiply
5,321,960.24x = 7,987,987.20 × 3,294,069.92 - Step 4: Simplify right side
5,321,960.24x = 26,312,988,356,865.02 - Step 5: Solve for x
x = 26,312,988,356,865.02/5,321,960.24 - Step 6: Final answer
x = 4,944,228.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.