Finding the Fourth Proportional to 1,787,661.36, 2,467,767.87 and 1,062,743.76
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Solution
The fourth proportional to 1,787,661.36, 2,467,767.87 and 1,062,743.76 is: 1,467,059.12
Step by Step Solution
- Step 1: Write the proportion equation
1,787,661.36 : 2,467,767.87 = 1,062,743.76 : x - Step 2: Convert to fraction form
1,787,661.36/2,467,767.87 = 1,062,743.76/x - Step 3: Cross multiply
1,787,661.36x = 2,467,767.87 × 1,062,743.76 - Step 4: Simplify right side
1,787,661.36x = 2,622,604,904,970.99 - Step 5: Solve for x
x = 2,622,604,904,970.99/1,787,661.36 - Step 6: Final answer
x = 1,467,059.12
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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.