Finding the Fourth Proportional to 2,526,189.60, 3,798,615.60 and 2,115,616.80
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Solution
The fourth proportional to 2,526,189.60, 3,798,615.60 and 2,115,616.80 is: 3,181,239.83
Step by Step Solution
- Step 1: Write the proportion equation
2,526,189.60 : 3,798,615.60 = 2,115,616.80 : x - Step 2: Convert to fraction form
2,526,189.60/3,798,615.60 = 2,115,616.80/x - Step 3: Cross multiply
2,526,189.60x = 3,798,615.60 × 2,115,616.80 - Step 4: Simplify right side
2,526,189.60x = 8,036,414,980,102.08 - Step 5: Solve for x
x = 8,036,414,980,102.08/2,526,189.60 - Step 6: Final answer
x = 3,181,239.83
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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.