Finding the Fourth Proportional to 3,119,843.84, 4,678,835.84 and 1,322,698.48
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Solution
The fourth proportional to 3,119,843.84, 4,678,835.84 and 1,322,698.48 is: 1,983,653.47
Step by Step Solution
- Step 1: Write the proportion equation
3,119,843.84 : 4,678,835.84 = 1,322,698.48 : x - Step 2: Convert to fraction form
3,119,843.84/4,678,835.84 = 1,322,698.48/x - Step 3: Cross multiply
3,119,843.84x = 4,678,835.84 × 1,322,698.48 - Step 4: Simplify right side
3,119,843.84x = 6,188,689,053,737.52 - Step 5: Solve for x
x = 6,188,689,053,737.52/3,119,843.84 - Step 6: Final answer
x = 1,983,653.47
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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.