Finding the Fourth Proportional to 6,652,786.50, 9,980,410.62 and 2,104,980.12
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Solution
The fourth proportional to 6,652,786.50, 9,980,410.62 and 2,104,980.12 is: 3,157,859.63
Step by Step Solution
- Step 1: Write the proportion equation
6,652,786.50 : 9,980,410.62 = 2,104,980.12 : x - Step 2: Convert to fraction form
6,652,786.50/9,980,410.62 = 2,104,980.12/x - Step 3: Cross multiply
6,652,786.50x = 9,980,410.62 × 2,104,980.12 - Step 4: Simplify right side
6,652,786.50x = 21,008,565,944,536.88 - Step 5: Solve for x
x = 21,008,565,944,536.88/6,652,786.50 - Step 6: Final answer
x = 3,157,859.63
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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.