Finding the Fourth Proportional to 4,270,246.80, 6,403,296.60 and 2,374,976.40
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Solution
The fourth proportional to 4,270,246.80, 6,403,296.60 and 2,374,976.40 is: 3,561,311.33
Step by Step Solution
- Step 1: Write the proportion equation
4,270,246.80 : 6,403,296.60 = 2,374,976.40 : x - Step 2: Convert to fraction form
4,270,246.80/6,403,296.60 = 2,374,976.40/x - Step 3: Cross multiply
4,270,246.80x = 6,403,296.60 × 2,374,976.40 - Step 4: Simplify right side
4,270,246.80x = 15,207,678,307,200.24 - Step 5: Solve for x
x = 15,207,678,307,200.24/4,270,246.80 - Step 6: Final answer
x = 3,561,311.33
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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.