Finding the Fourth Proportional to 1,768,163.41, 2,652,263.64 and 1,415,419.75
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Solution
The fourth proportional to 1,768,163.41, 2,652,263.64 and 1,415,419.75 is: 2,123,144.45
Step by Step Solution
- Step 1: Write the proportion equation
1,768,163.41 : 2,652,263.64 = 1,415,419.75 : x - Step 2: Convert to fraction form
1,768,163.41/2,652,263.64 = 1,415,419.75/x - Step 3: Cross multiply
1,768,163.41x = 2,652,263.64 × 1,415,419.75 - Step 4: Simplify right side
1,768,163.41x = 3,754,066,338,262.89 - Step 5: Solve for x
x = 3,754,066,338,262.89/1,768,163.41 - Step 6: Final answer
x = 2,123,144.45
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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.