Finding the Fourth Proportional to 2,230,302.94, 3,077,139.99 and 1,263,279.58
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Solution
The fourth proportional to 2,230,302.94, 3,077,139.99 and 1,263,279.58 is: 1,742,941.75
Step by Step Solution
- Step 1: Write the proportion equation
2,230,302.94 : 3,077,139.99 = 1,263,279.58 : x - Step 2: Convert to fraction form
2,230,302.94/3,077,139.99 = 1,263,279.58/x - Step 3: Cross multiply
2,230,302.94x = 3,077,139.99 × 1,263,279.58 - Step 4: Simplify right side
2,230,302.94x = 3,887,288,114,168.41 - Step 5: Solve for x
x = 3,887,288,114,168.41/2,230,302.94 - Step 6: Final answer
x = 1,742,941.75
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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.