Finding the Fourth Proportional to 2,281,640.40, 3,148,687.08 and 1,263,023.28
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Solution
The fourth proportional to 2,281,640.40, 3,148,687.08 and 1,263,023.28 is: 1,742,985.04
Step by Step Solution
- Step 1: Write the proportion equation
2,281,640.40 : 3,148,687.08 = 1,263,023.28 : x - Step 2: Convert to fraction form
2,281,640.40/3,148,687.08 = 1,263,023.28/x - Step 3: Cross multiply
2,281,640.40x = 3,148,687.08 × 1,263,023.28 - Step 4: Simplify right side
2,281,640.40x = 3,976,865,083,475.22 - Step 5: Solve for x
x = 3,976,865,083,475.22/2,281,640.40 - Step 6: Final answer
x = 1,742,985.04
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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.