Finding the Fourth Proportional to 3,186,134.47, 4,777,107.45 and 1,544,377.06
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Solution
The fourth proportional to 3,186,134.47, 4,777,107.45 and 1,544,377.06 is: 2,315,550.47
Step by Step Solution
- Step 1: Write the proportion equation
3,186,134.47 : 4,777,107.45 = 1,544,377.06 : x - Step 2: Convert to fraction form
3,186,134.47/4,777,107.45 = 1,544,377.06/x - Step 3: Cross multiply
3,186,134.47x = 4,777,107.45 × 1,544,377.06 - Step 4: Simplify right side
3,186,134.47x = 7,377,655,158,935.10 - Step 5: Solve for x
x = 7,377,655,158,935.10/3,186,134.47 - Step 6: Final answer
x = 2,315,550.47
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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.