Finding the Fourth Proportional to 2,257,212.62, 3,114,949.02 and 1,224,720.08
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Solution
The fourth proportional to 2,257,212.62, 3,114,949.02 and 1,224,720.08 is: 1,690,111.33
Step by Step Solution
- Step 1: Write the proportion equation
2,257,212.62 : 3,114,949.02 = 1,224,720.08 : x - Step 2: Convert to fraction form
2,257,212.62/3,114,949.02 = 1,224,720.08/x - Step 3: Cross multiply
2,257,212.62x = 3,114,949.02 × 1,224,720.08 - Step 4: Simplify right side
2,257,212.62x = 3,814,940,612,970.32 - Step 5: Solve for x
x = 3,814,940,612,970.32/2,257,212.62 - Step 6: Final answer
x = 1,690,111.33
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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.