Finding the Fourth Proportional to 2,281,605.36, 3,148,640.28 and 1,263,027.12
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Solution
The fourth proportional to 2,281,605.36, 3,148,640.28 and 1,263,027.12 is: 1,742,991.20
Step by Step Solution
- Step 1: Write the proportion equation
2,281,605.36 : 3,148,640.28 = 1,263,027.12 : x - Step 2: Convert to fraction form
2,281,605.36/3,148,640.28 = 1,263,027.12/x - Step 3: Cross multiply
2,281,605.36x = 3,148,640.28 × 1,263,027.12 - Step 4: Simplify right side
2,281,605.36x = 3,976,818,064,764.39 - Step 5: Solve for x
x = 3,976,818,064,764.39/2,281,605.36 - Step 6: Final answer
x = 1,742,991.20
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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.