Finding the Fourth Proportional to 3,613,173.36, 4,973,664.24 and 3,122,919.24
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Solution
The fourth proportional to 3,613,173.36, 4,973,664.24 and 3,122,919.24 is: 4,298,811.65
Step by Step Solution
- Step 1: Write the proportion equation
3,613,173.36 : 4,973,664.24 = 3,122,919.24 : x - Step 2: Convert to fraction form
3,613,173.36/4,973,664.24 = 3,122,919.24/x - Step 3: Cross multiply
3,613,173.36x = 4,973,664.24 × 3,122,919.24 - Step 4: Simplify right side
3,613,173.36x = 15,532,351,748,395.98 - Step 5: Solve for x
x = 15,532,351,748,395.98/3,613,173.36 - Step 6: Final answer
x = 4,298,811.65
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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.