Finding the Fourth Proportional to 4,072,645.44, 5,620,263.84 and 2,261,809.44
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Solution
The fourth proportional to 4,072,645.44, 5,620,263.84 and 2,261,809.44 is: 3,121,304.32
Step by Step Solution
- Step 1: Write the proportion equation
4,072,645.44 : 5,620,263.84 = 2,261,809.44 : x - Step 2: Convert to fraction form
4,072,645.44/5,620,263.84 = 2,261,809.44/x - Step 3: Cross multiply
4,072,645.44x = 5,620,263.84 × 2,261,809.44 - Step 4: Simplify right side
4,072,645.44x = 12,711,965,808,602.65 - Step 5: Solve for x
x = 12,711,965,808,602.65/4,072,645.44 - Step 6: Final answer
x = 3,121,304.32
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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.