Finding the Fourth Proportional to 5,728,965.36, 7,905,814.36 and 3,150,645.88
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Solution
The fourth proportional to 5,728,965.36, 7,905,814.36 and 3,150,645.88 is: 4,347,804.51
Step by Step Solution
- Step 1: Write the proportion equation
5,728,965.36 : 7,905,814.36 = 3,150,645.88 : x - Step 2: Convert to fraction form
5,728,965.36/7,905,814.36 = 3,150,645.88/x - Step 3: Cross multiply
5,728,965.36x = 7,905,814.36 × 3,150,645.88 - Step 4: Simplify right side
5,728,965.36x = 24,908,421,441,378.84 - Step 5: Solve for x
x = 24,908,421,441,378.84/5,728,965.36 - Step 6: Final answer
x = 4,347,804.51
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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.