Finding the Fourth Proportional to 3,209,606.28, 4,421,812.55 and 2,241,202.68
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Solution
The fourth proportional to 3,209,606.28, 4,421,812.55 and 2,241,202.68 is: 3,087,661.63
Step by Step Solution
- Step 1: Write the proportion equation
3,209,606.28 : 4,421,812.55 = 2,241,202.68 : x - Step 2: Convert to fraction form
3,209,606.28/4,421,812.55 = 2,241,202.68/x - Step 3: Cross multiply
3,209,606.28x = 4,421,812.55 × 2,241,202.68 - Step 4: Simplify right side
3,209,606.28x = 9,910,178,143,120.64 - Step 5: Solve for x
x = 9,910,178,143,120.64/3,209,606.28 - Step 6: Final answer
x = 3,087,661.63
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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.