Finding the Fourth Proportional to 3,805,103.58, 5,251,257.47 and 2,257,281.66
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Solution
The fourth proportional to 3,805,103.58, 5,251,257.47 and 2,257,281.66 is: 3,115,175.96
Step by Step Solution
- Step 1: Write the proportion equation
3,805,103.58 : 5,251,257.47 = 2,257,281.66 : x - Step 2: Convert to fraction form
3,805,103.58/5,251,257.47 = 2,257,281.66/x - Step 3: Cross multiply
3,805,103.58x = 5,251,257.47 × 2,257,281.66 - Step 4: Simplify right side
3,805,103.58x = 11,853,567,178,969 - Step 5: Solve for x
x = 11,853,567,178,969/3,805,103.58 - Step 6: Final answer
x = 3,115,175.96
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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.