Finding the Fourth Proportional to 3,437,815.99, 5,156,724.93 and 1,278,558.96
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Solution
The fourth proportional to 3,437,815.99, 5,156,724.93 and 1,278,558.96 is: 1,917,838.79
Step by Step Solution
- Step 1: Write the proportion equation
3,437,815.99 : 5,156,724.93 = 1,278,558.96 : x - Step 2: Convert to fraction form
3,437,815.99/5,156,724.93 = 1,278,558.96/x - Step 3: Cross multiply
3,437,815.99x = 5,156,724.93 × 1,278,558.96 - Step 4: Simplify right side
3,437,815.99x = 6,593,176,837,723.25 - Step 5: Solve for x
x = 6,593,176,837,723.25/3,437,815.99 - Step 6: Final answer
x = 1,917,838.79
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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.