Finding the Fourth Proportional to 4,154,119.80, 6,231,179.70 and 1,914,631.80
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Solution
The fourth proportional to 4,154,119.80, 6,231,179.70 and 1,914,631.80 is: 2,871,947.70
Step by Step Solution
- Step 1: Write the proportion equation
4,154,119.80 : 6,231,179.70 = 1,914,631.80 : x - Step 2: Convert to fraction form
4,154,119.80/6,231,179.70 = 1,914,631.80/x - Step 3: Cross multiply
4,154,119.80x = 6,231,179.70 × 1,914,631.80 - Step 4: Simplify right side
4,154,119.80x = 11,930,414,805,134.46 - Step 5: Solve for x
x = 11,930,414,805,134.46/4,154,119.80 - Step 6: Final answer
x = 2,871,947.70
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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.