Finding the Fourth Proportional to 4,822,458.26, 6,660,515.71 and 3,175,965.58
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Solution
The fourth proportional to 4,822,458.26, 6,660,515.71 and 3,175,965.58 is: 4,386,470.03
Step by Step Solution
- Step 1: Write the proportion equation
4,822,458.26 : 6,660,515.71 = 3,175,965.58 : x - Step 2: Convert to fraction form
4,822,458.26/6,660,515.71 = 3,175,965.58/x - Step 3: Cross multiply
4,822,458.26x = 6,660,515.71 × 3,175,965.58 - Step 4: Simplify right side
4,822,458.26x = 21,153,568,630,016.10 - Step 5: Solve for x
x = 21,153,568,630,016.10/4,822,458.26 - Step 6: Final answer
x = 4,386,470.03
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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.