Finding the Fourth Proportional to 3,991,064.36, 5,507,673.81 and 2,272,184.84
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Solution
The fourth proportional to 3,991,064.36, 5,507,673.81 and 2,272,184.84 is: 3,135,617.92
Step by Step Solution
- Step 1: Write the proportion equation
3,991,064.36 : 5,507,673.81 = 2,272,184.84 : x - Step 2: Convert to fraction form
3,991,064.36/5,507,673.81 = 2,272,184.84/x - Step 3: Cross multiply
3,991,064.36x = 5,507,673.81 × 2,272,184.84 - Step 4: Simplify right side
3,991,064.36x = 12,514,452,934,747.04 - Step 5: Solve for x
x = 12,514,452,934,747.04/3,991,064.36 - Step 6: Final answer
x = 3,135,617.92
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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.