Finding the Fourth Proportional to 5,919,664.68, 8,169,144.48 and 3,203,410.68
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Solution
The fourth proportional to 5,919,664.68, 8,169,144.48 and 3,203,410.68 is: 4,420,710.65
Step by Step Solution
- Step 1: Write the proportion equation
5,919,664.68 : 8,169,144.48 = 3,203,410.68 : x - Step 2: Convert to fraction form
5,919,664.68/8,169,144.48 = 3,203,410.68/x - Step 3: Cross multiply
5,919,664.68x = 8,169,144.48 × 3,203,410.68 - Step 4: Simplify right side
5,919,664.68x = 26,169,124,673,695.05 - Step 5: Solve for x
x = 26,169,124,673,695.05/5,919,664.68 - Step 6: Final answer
x = 4,420,710.65
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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.