Finding the Fourth Proportional to 4,313,625.80, 6,467,328.30 and 2,420,947.40
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Solution
The fourth proportional to 4,313,625.80, 6,467,328.30 and 2,420,947.40 is: 3,629,675.44
Step by Step Solution
- Step 1: Write the proportion equation
4,313,625.80 : 6,467,328.30 = 2,420,947.40 : x - Step 2: Convert to fraction form
4,313,625.80/6,467,328.30 = 2,420,947.40/x - Step 3: Cross multiply
4,313,625.80x = 6,467,328.30 × 2,420,947.40 - Step 4: Simplify right side
4,313,625.80x = 15,657,061,632,831.42 - Step 5: Solve for x
x = 15,657,061,632,831.42/4,313,625.80 - Step 6: Final answer
x = 3,629,675.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.