Finding the Fourth Proportional to 2,256,771.42, 3,114,555.48 and 1,289,712.84
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Solution
The fourth proportional to 2,256,771.42, 3,114,555.48 and 1,289,712.84 is: 1,779,924.26
Step by Step Solution
- Step 1: Write the proportion equation
2,256,771.42 : 3,114,555.48 = 1,289,712.84 : x - Step 2: Convert to fraction form
2,256,771.42/3,114,555.48 = 1,289,712.84/x - Step 3: Cross multiply
2,256,771.42x = 3,114,555.48 × 1,289,712.84 - Step 4: Simplify right side
2,256,771.42x = 4,016,882,193,448.36 - Step 5: Solve for x
x = 4,016,882,193,448.36/2,256,771.42 - Step 6: Final answer
x = 1,779,924.26
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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.