Finding the Fourth Proportional to 2,147,519.97, 2,963,550.96 and 1,180,641.81
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Solution
The fourth proportional to 2,147,519.97, 2,963,550.96 and 1,180,641.81 is: 1,629,271.07
Step by Step Solution
- Step 1: Write the proportion equation
2,147,519.97 : 2,963,550.96 = 1,180,641.81 : x - Step 2: Convert to fraction form
2,147,519.97/2,963,550.96 = 1,180,641.81/x - Step 3: Cross multiply
2,147,519.97x = 2,963,550.96 × 1,180,641.81 - Step 4: Simplify right side
2,147,519.97x = 3,498,892,169,441.64 - Step 5: Solve for x
x = 3,498,892,169,441.64/2,147,519.97 - Step 6: Final answer
x = 1,629,271.07
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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.