Finding the Fourth Proportional to 2,256,757.78, 3,114,325.68 and 1,289,908.84
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Solution
The fourth proportional to 2,256,757.78, 3,114,325.68 and 1,289,908.84 is: 1,780,074.17
Step by Step Solution
- Step 1: Write the proportion equation
2,256,757.78 : 3,114,325.68 = 1,289,908.84 : x - Step 2: Convert to fraction form
2,256,757.78/3,114,325.68 = 1,289,908.84/x - Step 3: Cross multiply
2,256,757.78x = 3,114,325.68 × 1,289,908.84 - Step 4: Simplify right side
2,256,757.78x = 4,017,196,225,271.01 - Step 5: Solve for x
x = 4,017,196,225,271.01/2,256,757.78 - Step 6: Final answer
x = 1,780,074.17
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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.