Finding the Fourth Proportional to 3,758,231.18, 5,186,372.79 and 2,039,351.65
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Solution
The fourth proportional to 3,758,231.18, 5,186,372.79 and 2,039,351.65 is: 2,814,312.74
Step by Step Solution
- Step 1: Write the proportion equation
3,758,231.18 : 5,186,372.79 = 2,039,351.65 : x - Step 2: Convert to fraction form
3,758,231.18/5,186,372.79 = 2,039,351.65/x - Step 3: Cross multiply
3,758,231.18x = 5,186,372.79 × 2,039,351.65 - Step 4: Simplify right side
3,758,231.18x = 10,576,837,901,483.24 - Step 5: Solve for x
x = 10,576,837,901,483.24/3,758,231.18 - Step 6: Final answer
x = 2,814,312.74
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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.