Finding the Fourth Proportional to 4,212,555.45, 5,813,309.01 and 2,278,811.26
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Solution
The fourth proportional to 4,212,555.45, 5,813,309.01 and 2,278,811.26 is: 3,144,750.07
Step by Step Solution
- Step 1: Write the proportion equation
4,212,555.45 : 5,813,309.01 = 2,278,811.26 : x - Step 2: Convert to fraction form
4,212,555.45/5,813,309.01 = 2,278,811.26/x - Step 3: Cross multiply
4,212,555.45x = 5,813,309.01 × 2,278,811.26 - Step 4: Simplify right side
4,212,555.45x = 13,247,434,029,847.45 - Step 5: Solve for x
x = 13,247,434,029,847.45/4,212,555.45 - Step 6: Final answer
x = 3,144,750.07
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1.5x scale
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.