Finding the Fourth Proportional to 2,375,703.60, 3,278,947.44 and 1,409,370.40
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Solution
The fourth proportional to 2,375,703.60, 3,278,947.44 and 1,409,370.40 is: 1,945,213.82
Step by Step Solution
- Step 1: Write the proportion equation
2,375,703.60 : 3,278,947.44 = 1,409,370.40 : x - Step 2: Convert to fraction form
2,375,703.60/3,278,947.44 = 1,409,370.40/x - Step 3: Cross multiply
2,375,703.60x = 3,278,947.44 × 1,409,370.40 - Step 4: Simplify right side
2,375,703.60x = 4,621,251,465,091.78 - Step 5: Solve for x
x = 4,621,251,465,091.78/2,375,703.60 - Step 6: Final answer
x = 1,945,213.82
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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.