Finding the Fourth Proportional to 3,115,966.52, 4,682,169.49 and 1,677,713.31
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Solution
The fourth proportional to 3,115,966.52, 4,682,169.49 and 1,677,713.31 is: 2,520,995.66
Step by Step Solution
- Step 1: Write the proportion equation
3,115,966.52 : 4,682,169.49 = 1,677,713.31 : x - Step 2: Convert to fraction form
3,115,966.52/4,682,169.49 = 1,677,713.31/x - Step 3: Cross multiply
3,115,966.52x = 4,682,169.49 × 1,677,713.31 - Step 4: Simplify right side
3,115,966.52x = 7,855,338,067,281.77 - Step 5: Solve for x
x = 7,855,338,067,281.77/3,115,966.52 - Step 6: Final answer
x = 2,520,995.66
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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.