Finding the Fourth Proportional to 1,820,448.37, 2,513,163.11 and 1,329,867.11
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Solution
The fourth proportional to 1,820,448.37, 2,513,163.11 and 1,329,867.11 is: 1,835,906.48
Step by Step Solution
- Step 1: Write the proportion equation
1,820,448.37 : 2,513,163.11 = 1,329,867.11 : x - Step 2: Convert to fraction form
1,820,448.37/2,513,163.11 = 1,329,867.11/x - Step 3: Cross multiply
1,820,448.37x = 2,513,163.11 × 1,329,867.11 - Step 4: Simplify right side
1,820,448.37x = 3,342,172,961,687.88 - Step 5: Solve for x
x = 3,342,172,961,687.88/1,820,448.37 - Step 6: Final answer
x = 1,835,906.48
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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.