Finding the Fourth Proportional to 2,177,817.21, 3,267,390.39 and 1,113,606.81
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Solution
The fourth proportional to 2,177,817.21, 3,267,390.39 and 1,113,606.81 is: 1,670,750.04
Step by Step Solution
- Step 1: Write the proportion equation
2,177,817.21 : 3,267,390.39 = 1,113,606.81 : x - Step 2: Convert to fraction form
2,177,817.21/3,267,390.39 = 1,113,606.81/x - Step 3: Cross multiply
2,177,817.21x = 3,267,390.39 × 1,113,606.81 - Step 4: Simplify right side
2,177,817.21x = 3,638,588,189,232.56 - Step 5: Solve for x
x = 3,638,588,189,232.56/2,177,817.21 - Step 6: Final answer
x = 1,670,750.04
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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.