Finding the Fourth Proportional to 4,873,968.56, 7,310,771.40 and 1,279,702.64
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Solution
The fourth proportional to 4,873,968.56, 7,310,771.40 and 1,279,702.64 is: 1,919,506.32
Step by Step Solution
- Step 1: Write the proportion equation
4,873,968.56 : 7,310,771.40 = 1,279,702.64 : x - Step 2: Convert to fraction form
4,873,968.56/7,310,771.40 = 1,279,702.64/x - Step 3: Cross multiply
4,873,968.56x = 7,310,771.40 × 1,279,702.64 - Step 4: Simplify right side
4,873,968.56x = 9,355,613,461,016.50 - Step 5: Solve for x
x = 9,355,613,461,016.50/4,873,968.56 - Step 6: Final answer
x = 1,919,506.32
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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.