Finding the Fourth Proportional to 2,111,923.24, 3,168,201 and 764,401.13
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Solution
The fourth proportional to 2,111,923.24, 3,168,201 and 764,401.13 is: 1,146,716.12
Step by Step Solution
- Step 1: Write the proportion equation
2,111,923.24 : 3,168,201 = 764,401.13 : x - Step 2: Convert to fraction form
2,111,923.24/3,168,201 = 764,401.13/x - Step 3: Cross multiply
2,111,923.24x = 3,168,201 × 764,401.13 - Step 4: Simplify right side
2,111,923.24x = 2,421,776,424,467.13 - Step 5: Solve for x
x = 2,421,776,424,467.13/2,111,923.24 - Step 6: Final answer
x = 1,146,716.12
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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.