Finding the Fourth Proportional to 2,848,756.60, 3,930,655.56 and 1,686,625.84
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Solution
The fourth proportional to 2,848,756.60, 3,930,655.56 and 1,686,625.84 is: 2,327,171.52
Step by Step Solution
- Step 1: Write the proportion equation
2,848,756.60 : 3,930,655.56 = 1,686,625.84 : x - Step 2: Convert to fraction form
2,848,756.60/3,930,655.56 = 1,686,625.84/x - Step 3: Cross multiply
2,848,756.60x = 3,930,655.56 × 1,686,625.84 - Step 4: Simplify right side
2,848,756.60x = 6,629,545,235,635.67 - Step 5: Solve for x
x = 6,629,545,235,635.67/2,848,756.60 - Step 6: Final answer
x = 2,327,171.52
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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.