Finding the Fourth Proportional to 2,350,515.20, 3,525,772.80 and 1,686,963.20
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Solution
The fourth proportional to 2,350,515.20, 3,525,772.80 and 1,686,963.20 is: 2,530,444.80
Step by Step Solution
- Step 1: Write the proportion equation
2,350,515.20 : 3,525,772.80 = 1,686,963.20 : x - Step 2: Convert to fraction form
2,350,515.20/3,525,772.80 = 1,686,963.20/x - Step 3: Cross multiply
2,350,515.20x = 3,525,772.80 × 1,686,963.20 - Step 4: Simplify right side
2,350,515.20x = 5,947,848,965,160.96 - Step 5: Solve for x
x = 5,947,848,965,160.96/2,350,515.20 - Step 6: Final answer
x = 2,530,444.80
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1.5x scale
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.