Finding the Fourth Proportional to 1,436,139.36, 2,154,202.56 and 371,090.88
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Solution
The fourth proportional to 1,436,139.36, 2,154,202.56 and 371,090.88 is: 556,634.65
Step by Step Solution
- Step 1: Write the proportion equation
1,436,139.36 : 2,154,202.56 = 371,090.88 : x - Step 2: Convert to fraction form
1,436,139.36/2,154,202.56 = 371,090.88/x - Step 3: Cross multiply
1,436,139.36x = 2,154,202.56 × 371,090.88 - Step 4: Simplify right side
1,436,139.36x = 799,404,923,688.65 - Step 5: Solve for x
x = 799,404,923,688.65/1,436,139.36 - Step 6: Final answer
x = 556,634.65
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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.