Finding the Fourth Proportional to 5,106,785.19, 7,047,361.83 and 2,814,984.15
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Solution
The fourth proportional to 5,106,785.19, 7,047,361.83 and 2,814,984.15 is: 3,884,677.17
Step by Step Solution
- Step 1: Write the proportion equation
5,106,785.19 : 7,047,361.83 = 2,814,984.15 : x - Step 2: Convert to fraction form
5,106,785.19/7,047,361.83 = 2,814,984.15/x - Step 3: Cross multiply
5,106,785.19x = 7,047,361.83 × 2,814,984.15 - Step 4: Simplify right side
5,106,785.19x = 19,838,211,850,764.99 - Step 5: Solve for x
x = 19,838,211,850,764.99/5,106,785.19 - Step 6: Final answer
x = 3,884,677.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.