Finding the Fourth Proportional to 4,508,361.74, 6,761,888.55 and 1,475,847.74
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Solution
The fourth proportional to 4,508,361.74, 6,761,888.55 and 1,475,847.74 is: 2,213,557.50
Step by Step Solution
- Step 1: Write the proportion equation
4,508,361.74 : 6,761,888.55 = 1,475,847.74 : x - Step 2: Convert to fraction form
4,508,361.74/6,761,888.55 = 1,475,847.74/x - Step 3: Cross multiply
4,508,361.74x = 6,761,888.55 × 1,475,847.74 - Step 4: Simplify right side
4,508,361.74x = 9,979,517,934,649.38 - Step 5: Solve for x
x = 9,979,517,934,649.38/4,508,361.74 - Step 6: Final answer
x = 2,213,557.50
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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.