Finding the Fourth Proportional to 3,965,223.42, 5,471,829.99 and 2,246,308.86
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Solution
The fourth proportional to 3,965,223.42, 5,471,829.99 and 2,246,308.86 is: 3,099,805.20
Step by Step Solution
- Step 1: Write the proportion equation
3,965,223.42 : 5,471,829.99 = 2,246,308.86 : x - Step 2: Convert to fraction form
3,965,223.42/5,471,829.99 = 2,246,308.86/x - Step 3: Cross multiply
3,965,223.42x = 5,471,829.99 × 2,246,308.86 - Step 4: Simplify right side
3,965,223.42x = 12,291,420,186,950.71 - Step 5: Solve for x
x = 12,291,420,186,950.71/3,965,223.42 - Step 6: Final answer
x = 3,099,805.20
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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.