Finding the Fourth Proportional to 4,245,358.54, 6,370,648.44 and 1,686,125.74
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Solution
The fourth proportional to 4,245,358.54, 6,370,648.44 and 1,686,125.74 is: 2,530,225.47
Step by Step Solution
- Step 1: Write the proportion equation
4,245,358.54 : 6,370,648.44 = 1,686,125.74 : x - Step 2: Convert to fraction form
4,245,358.54/6,370,648.44 = 1,686,125.74/x - Step 3: Cross multiply
4,245,358.54x = 6,370,648.44 × 1,686,125.74 - Step 4: Simplify right side
4,245,358.54x = 10,741,714,315,174.85 - Step 5: Solve for x
x = 10,741,714,315,174.85/4,245,358.54 - Step 6: Final answer
x = 2,530,225.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.