Finding the Fourth Proportional to 4,224,919.92, 6,337,189.42 and 1,761,921.55
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Solution
The fourth proportional to 4,224,919.92, 6,337,189.42 and 1,761,921.55 is: 2,642,802.90
Step by Step Solution
- Step 1: Write the proportion equation
4,224,919.92 : 6,337,189.42 = 1,761,921.55 : x - Step 2: Convert to fraction form
4,224,919.92/6,337,189.42 = 1,761,921.55/x - Step 3: Cross multiply
4,224,919.92x = 6,337,189.42 × 1,761,921.55 - Step 4: Simplify right side
4,224,919.92x = 11,165,630,605,530.00 - Step 5: Solve for x
x = 11,165,630,605,530.00/4,224,919.92 - Step 6: Final answer
x = 2,642,802.90
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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.