Finding the Fourth Proportional to 6,873,520.25, 9,484,403.49 and 3,972,350.84
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Solution
The fourth proportional to 6,873,520.25, 9,484,403.49 and 3,972,350.84 is: 5,481,234.76
Step by Step Solution
- Step 1: Write the proportion equation
6,873,520.25 : 9,484,403.49 = 3,972,350.84 : x - Step 2: Convert to fraction form
6,873,520.25/9,484,403.49 = 3,972,350.84/x - Step 3: Cross multiply
6,873,520.25x = 9,484,403.49 × 3,972,350.84 - Step 4: Simplify right side
6,873,520.25x = 37,675,378,122,978.41 - Step 5: Solve for x
x = 37,675,378,122,978.41/6,873,520.25 - Step 6: Final answer
x = 5,481,234.76
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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.