Finding the Fourth Proportional to 2,540,244.68, 3,505,507.98 and 1,378,692.98
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Solution
The fourth proportional to 2,540,244.68, 3,505,507.98 and 1,378,692.98 is: 1,902,580.20
Step by Step Solution
- Step 1: Write the proportion equation
2,540,244.68 : 3,505,507.98 = 1,378,692.98 : x - Step 2: Convert to fraction form
2,540,244.68/3,505,507.98 = 1,378,692.98/x - Step 3: Cross multiply
2,540,244.68x = 3,505,507.98 × 1,378,692.98 - Step 4: Simplify right side
2,540,244.68x = 4,833,019,243,359.98 - Step 5: Solve for x
x = 4,833,019,243,359.98/2,540,244.68 - Step 6: Final answer
x = 1,902,580.20
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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.