Finding the Fourth Proportional to 2,681,991.40, 4,027,652.70 and 1,422,279.40
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Solution
The fourth proportional to 2,681,991.40, 4,027,652.70 and 1,422,279.40 is: 2,135,893.30
Step by Step Solution
- Step 1: Write the proportion equation
2,681,991.40 : 4,027,652.70 = 1,422,279.40 : x - Step 2: Convert to fraction form
2,681,991.40/4,027,652.70 = 1,422,279.40/x - Step 3: Cross multiply
2,681,991.40x = 4,027,652.70 × 1,422,279.40 - Step 4: Simplify right side
2,681,991.40x = 5,728,447,465,564.38 - Step 5: Solve for x
x = 5,728,447,465,564.38/2,681,991.40 - Step 6: Final answer
x = 2,135,893.30
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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.