Finding the Fourth Proportional to 4,370,630.40, 6,548,947.20 and 2,872,972.80
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Solution
The fourth proportional to 4,370,630.40, 6,548,947.20 and 2,872,972.80 is: 4,304,858.90
Step by Step Solution
- Step 1: Write the proportion equation
4,370,630.40 : 6,548,947.20 = 2,872,972.80 : x - Step 2: Convert to fraction form
4,370,630.40/6,548,947.20 = 2,872,972.80/x - Step 3: Cross multiply
4,370,630.40x = 6,548,947.20 × 2,872,972.80 - Step 4: Simplify right side
4,370,630.40x = 18,814,947,174,236.16 - Step 5: Solve for x
x = 18,814,947,174,236.16/4,370,630.40 - Step 6: Final answer
x = 4,304,858.90
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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.