Finding the Fourth Proportional to 4,432,759.28, 6,649,516.20 and 1,399,313.60
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Solution
The fourth proportional to 4,432,759.28, 6,649,516.20 and 1,399,313.60 is: 2,099,089.50
Step by Step Solution
- Step 1: Write the proportion equation
4,432,759.28 : 6,649,516.20 = 1,399,313.60 : x - Step 2: Convert to fraction form
4,432,759.28/6,649,516.20 = 1,399,313.60/x - Step 3: Cross multiply
4,432,759.28x = 6,649,516.20 × 1,399,313.60 - Step 4: Simplify right side
4,432,759.28x = 9,304,758,452,080.32 - Step 5: Solve for x
x = 9,304,758,452,080.32/4,432,759.28 - Step 6: Final answer
x = 2,099,089.50
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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.