Finding the Fourth Proportional to 3,947,433.84, 5,447,154.64 and 2,228,724
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Solution
The fourth proportional to 3,947,433.84, 5,447,154.64 and 2,228,724 is: 3,075,467.45
Step by Step Solution
- Step 1: Write the proportion equation
3,947,433.84 : 5,447,154.64 = 2,228,724 : x - Step 2: Convert to fraction form
3,947,433.84/5,447,154.64 = 2,228,724/x - Step 3: Cross multiply
3,947,433.84x = 5,447,154.64 × 2,228,724 - Step 4: Simplify right side
3,947,433.84x = 12,140,204,277,879.36 - Step 5: Solve for x
x = 12,140,204,277,879.36/3,947,433.84 - Step 6: Final answer
x = 3,075,467.45
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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.