Finding the Fourth Proportional to 3,937,198.36, 5,433,332.61 and 2,126,362.36
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Solution
The fourth proportional to 3,937,198.36, 5,433,332.61 and 2,126,362.36 is: 2,934,379.45
Step by Step Solution
- Step 1: Write the proportion equation
3,937,198.36 : 5,433,332.61 = 2,126,362.36 : x - Step 2: Convert to fraction form
3,937,198.36/5,433,332.61 = 2,126,362.36/x - Step 3: Cross multiply
3,937,198.36x = 5,433,332.61 × 2,126,362.36 - Step 4: Simplify right side
3,937,198.36x = 11,553,233,951,264.56 - Step 5: Solve for x
x = 11,553,233,951,264.56/3,937,198.36 - Step 6: Final answer
x = 2,934,379.45
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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.