Finding the Fourth Proportional to 2,230,301.44, 3,077,137.92 and 1,263,278.08
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Solution
The fourth proportional to 2,230,301.44, 3,077,137.92 and 1,263,278.08 is: 1,742,939.68
Step by Step Solution
- Step 1: Write the proportion equation
2,230,301.44 : 3,077,137.92 = 1,263,278.08 : x - Step 2: Convert to fraction form
2,230,301.44/3,077,137.92 = 1,263,278.08/x - Step 3: Cross multiply
2,230,301.44x = 3,077,137.92 × 1,263,278.08 - Step 4: Simplify right side
2,230,301.44x = 3,887,280,883,472.79 - Step 5: Solve for x
x = 3,887,280,883,472.79/2,230,301.44 - Step 6: Final answer
x = 1,742,939.68
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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.