Finding the Fourth Proportional to 4,415,709.36, 6,626,134.44 and 1,856,739.12
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Solution
The fourth proportional to 4,415,709.36, 6,626,134.44 and 1,856,739.12 is: 2,786,189.49
Step by Step Solution
- Step 1: Write the proportion equation
4,415,709.36 : 6,626,134.44 = 1,856,739.12 : x - Step 2: Convert to fraction form
4,415,709.36/6,626,134.44 = 1,856,739.12/x - Step 3: Cross multiply
4,415,709.36x = 6,626,134.44 × 1,856,739.12 - Step 4: Simplify right side
4,415,709.36x = 12,303,003,029,127.29 - Step 5: Solve for x
x = 12,303,003,029,127.29/4,415,709.36 - Step 6: Final answer
x = 2,786,189.49
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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.