Finding the Fourth Proportional to 5,145,937.98, 7,101,405.39 and 2,822,849.58
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Solution
The fourth proportional to 5,145,937.98, 7,101,405.39 and 2,822,849.58 is: 3,895,538.44
Step by Step Solution
- Step 1: Write the proportion equation
5,145,937.98 : 7,101,405.39 = 2,822,849.58 : x - Step 2: Convert to fraction form
5,145,937.98/7,101,405.39 = 2,822,849.58/x - Step 3: Cross multiply
5,145,937.98x = 7,101,405.39 × 2,822,849.58 - Step 4: Simplify right side
5,145,937.98x = 20,046,199,222,571.23 - Step 5: Solve for x
x = 20,046,199,222,571.23/5,145,937.98 - Step 6: Final answer
x = 3,895,538.44
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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.