Finding the Fourth Proportional to 2,130,793.25, 2,940,477.27 and 1,163,923.79
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Solution
The fourth proportional to 2,130,793.25, 2,940,477.27 and 1,163,923.79 is: 1,606,205.32
Step by Step Solution
- Step 1: Write the proportion equation
2,130,793.25 : 2,940,477.27 = 1,163,923.79 : x - Step 2: Convert to fraction form
2,130,793.25/2,940,477.27 = 1,163,923.79/x - Step 3: Cross multiply
2,130,793.25x = 2,940,477.27 × 1,163,923.79 - Step 4: Simplify right side
2,130,793.25x = 3,422,491,448,507.25 - Step 5: Solve for x
x = 3,422,491,448,507.25/2,130,793.25 - Step 6: Final answer
x = 1,606,205.32
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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.