Finding the Fourth Proportional to 3,975,660.35, 5,964,448.92 and 1,381,588.18
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Solution
The fourth proportional to 3,975,660.35, 5,964,448.92 and 1,381,588.18 is: 2,072,715.33
Step by Step Solution
- Step 1: Write the proportion equation
3,975,660.35 : 5,964,448.92 = 1,381,588.18 : x - Step 2: Convert to fraction form
3,975,660.35/5,964,448.92 = 1,381,588.18/x - Step 3: Cross multiply
3,975,660.35x = 5,964,448.92 × 1,381,588.18 - Step 4: Simplify right side
3,975,660.35x = 8,240,412,140,927.34 - Step 5: Solve for x
x = 8,240,412,140,927.34/3,975,660.35 - Step 6: Final answer
x = 2,072,715.33
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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.