Finding the Fourth Proportional to 3,767,768.83, 5,199,363.98 and 2,136,286.58
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Solution
The fourth proportional to 3,767,768.83, 5,199,363.98 and 2,136,286.58 is: 2,947,986.45
Step by Step Solution
- Step 1: Write the proportion equation
3,767,768.83 : 5,199,363.98 = 2,136,286.58 : x - Step 2: Convert to fraction form
3,767,768.83/5,199,363.98 = 2,136,286.58/x - Step 3: Cross multiply
3,767,768.83x = 5,199,363.98 × 2,136,286.58 - Step 4: Simplify right side
3,767,768.83x = 11,107,331,466,342.21 - Step 5: Solve for x
x = 11,107,331,466,342.21/3,767,768.83 - Step 6: Final answer
x = 2,947,986.45
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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.