Finding the Fourth Proportional to 3,896,378.24, 5,377,240.69 and 2,177,636.00
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Solution
The fourth proportional to 3,896,378.24, 5,377,240.69 and 2,177,636.00 is: 3,005,271.09
Step by Step Solution
- Step 1: Write the proportion equation
3,896,378.24 : 5,377,240.69 = 2,177,636.00 : x - Step 2: Convert to fraction form
3,896,378.24/5,377,240.69 = 2,177,636.00/x - Step 3: Cross multiply
3,896,378.24x = 5,377,240.69 × 2,177,636.00 - Step 4: Simplify right side
3,896,378.24x = 11,709,672,874,878.55 - Step 5: Solve for x
x = 11,709,672,874,878.55/3,896,378.24 - Step 6: Final answer
x = 3,005,271.09
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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.