Finding the Fourth Proportional to 5,153,806.97, 7,723,985.42 and 2,879,239.49
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Solution
The fourth proportional to 5,153,806.97, 7,723,985.42 and 2,879,239.49 is: 4,315,102.21
Step by Step Solution
- Step 1: Write the proportion equation
5,153,806.97 : 7,723,985.42 = 2,879,239.49 : x - Step 2: Convert to fraction form
5,153,806.97/7,723,985.42 = 2,879,239.49/x - Step 3: Cross multiply
5,153,806.97x = 7,723,985.42 × 2,879,239.49 - Step 4: Simplify right side
5,153,806.97x = 22,239,203,838,991.36 - Step 5: Solve for x
x = 22,239,203,838,991.36/5,153,806.97 - Step 6: Final answer
x = 4,315,102.21
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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.