Finding the Fourth Proportional to 3,896,282.20, 5,378,524.86 and 2,368,877.08
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Solution
The fourth proportional to 3,896,282.20, 5,378,524.86 and 2,368,877.08 is: 3,270,056.84
Step by Step Solution
- Step 1: Write the proportion equation
3,896,282.20 : 5,378,524.86 = 2,368,877.08 : x - Step 2: Convert to fraction form
3,896,282.20/5,378,524.86 = 2,368,877.08/x - Step 3: Cross multiply
3,896,282.20x = 5,378,524.86 × 2,368,877.08 - Step 4: Simplify right side
3,896,282.20x = 12,741,064,265,064.21 - Step 5: Solve for x
x = 12,741,064,265,064.21/3,896,282.20 - Step 6: Final answer
x = 3,270,056.84
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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.