Finding the Fourth Proportional to 4,982,351.56, 6,875,790.88 and 2,917,173.91
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Solution
The fourth proportional to 4,982,351.56, 6,875,790.88 and 2,917,173.91 is: 4,025,785.32
Step by Step Solution
- Step 1: Write the proportion equation
4,982,351.56 : 6,875,790.88 = 2,917,173.91 : x - Step 2: Convert to fraction form
4,982,351.56/6,875,790.88 = 2,917,173.91/x - Step 3: Cross multiply
4,982,351.56x = 6,875,790.88 × 2,917,173.91 - Step 4: Simplify right side
4,982,351.56x = 20,057,877,765,751.94 - Step 5: Solve for x
x = 20,057,877,765,751.94/4,982,351.56 - Step 6: Final answer
x = 4,025,785.32
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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.