Finding the Fourth Proportional to 4,982,352.56, 6,875,792.26 and 2,917,174.91
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Solution
The fourth proportional to 4,982,352.56, 6,875,792.26 and 2,917,174.91 is: 4,025,786.70
Step by Step Solution
- Step 1: Write the proportion equation
4,982,352.56 : 6,875,792.26 = 2,917,174.91 : x - Step 2: Convert to fraction form
4,982,352.56/6,875,792.26 = 2,917,174.91/x - Step 3: Cross multiply
4,982,352.56x = 6,875,792.26 × 2,917,174.91 - Step 4: Simplify right side
4,982,352.56x = 20,057,888,667,244.20 - Step 5: Solve for x
x = 20,057,888,667,244.20/4,982,352.56 - Step 6: Final answer
x = 4,025,786.70
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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.