Finding the Fourth Proportional to 3,768,176.76, 5,199,972.48 and 2,136,733.08
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Solution
The fourth proportional to 3,768,176.76, 5,199,972.48 and 2,136,733.08 is: 2,948,628.45
Step by Step Solution
- Step 1: Write the proportion equation
3,768,176.76 : 5,199,972.48 = 2,136,733.08 : x - Step 2: Convert to fraction form
3,768,176.76/5,199,972.48 = 2,136,733.08/x - Step 3: Cross multiply
3,768,176.76x = 5,199,972.48 × 2,136,733.08 - Step 4: Simplify right side
3,768,176.76x = 11,110,953,213,105.64 - Step 5: Solve for x
x = 11,110,953,213,105.64/3,768,176.76 - Step 6: Final answer
x = 2,948,628.45
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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.