Finding the Fourth Proportional to 3,767,636.16, 5,199,179.68 and 2,136,153.32
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Solution
The fourth proportional to 3,767,636.16, 5,199,179.68 and 2,136,153.32 is: 2,947,801.87
Step by Step Solution
- Step 1: Write the proportion equation
3,767,636.16 : 5,199,179.68 = 2,136,153.32 : x - Step 2: Convert to fraction form
3,767,636.16/5,199,179.68 = 2,136,153.32/x - Step 3: Cross multiply
3,767,636.16x = 5,199,179.68 × 2,136,153.32 - Step 4: Simplify right side
3,767,636.16x = 11,106,244,934,708.54 - Step 5: Solve for x
x = 11,106,244,934,708.54/3,767,636.16 - Step 6: Final answer
x = 2,947,801.87
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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.