Finding the Fourth Proportional to 1,666,276.76, 2,299,469.28 and 902,331.20
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Solution
The fourth proportional to 1,666,276.76, 2,299,469.28 and 902,331.20 is: 1,245,221.04
Step by Step Solution
- Step 1: Write the proportion equation
1,666,276.76 : 2,299,469.28 = 902,331.20 : x - Step 2: Convert to fraction form
1,666,276.76/2,299,469.28 = 902,331.20/x - Step 3: Cross multiply
1,666,276.76x = 2,299,469.28 × 902,331.20 - Step 4: Simplify right side
1,666,276.76x = 2,074,882,874,785.54 - Step 5: Solve for x
x = 2,074,882,874,785.54/1,666,276.76 - Step 6: Final answer
x = 1,245,221.04
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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.