Finding the Fourth Proportional to 1,768,163.15, 2,652,263.26 and 1,415,419.49
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Solution
The fourth proportional to 1,768,163.15, 2,652,263.26 and 1,415,419.49 is: 2,123,144.07
Step by Step Solution
- Step 1: Write the proportion equation
1,768,163.15 : 2,652,263.26 = 1,415,419.49 : x - Step 2: Convert to fraction form
1,768,163.15/2,652,263.26 = 1,415,419.49/x - Step 3: Cross multiply
1,768,163.15x = 2,652,263.26 × 1,415,419.49 - Step 4: Simplify right side
1,768,163.15x = 3,754,065,113,907.05 - Step 5: Solve for x
x = 3,754,065,113,907.05/1,768,163.15 - Step 6: Final answer
x = 2,123,144.07
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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.