Finding the Fourth Proportional to 3,881,325.80, 5,821,988.70 and 2,201,709.80
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Solution
The fourth proportional to 3,881,325.80, 5,821,988.70 and 2,201,709.80 is: 3,302,564.70
Step by Step Solution
- Step 1: Write the proportion equation
3,881,325.80 : 5,821,988.70 = 2,201,709.80 : x - Step 2: Convert to fraction form
3,881,325.80/5,821,988.70 = 2,201,709.80/x - Step 3: Cross multiply
3,881,325.80x = 5,821,988.70 × 2,201,709.80 - Step 4: Simplify right side
3,881,325.80x = 12,818,329,576,279.26 - Step 5: Solve for x
x = 12,818,329,576,279.26/3,881,325.80 - Step 6: Final answer
x = 3,302,564.70
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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.