Finding the Fourth Proportional to 2,525,074.64, 3,484,546.68 and 1,379,159.12
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Solution
The fourth proportional to 2,525,074.64, 3,484,546.68 and 1,379,159.12 is: 1,903,208.82
Step by Step Solution
- Step 1: Write the proportion equation
2,525,074.64 : 3,484,546.68 = 1,379,159.12 : x - Step 2: Convert to fraction form
2,525,074.64/3,484,546.68 = 1,379,159.12/x - Step 3: Cross multiply
2,525,074.64x = 3,484,546.68 × 1,379,159.12 - Step 4: Simplify right side
2,525,074.64x = 4,805,744,332,787.72 - Step 5: Solve for x
x = 4,805,744,332,787.72/2,525,074.64 - Step 6: Final answer
x = 1,903,208.82
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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.