Finding the Fourth Proportional to 4,919,164.02, 6,786,616.44 and 2,853,021.06
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Solution
The fourth proportional to 4,919,164.02, 6,786,616.44 and 2,853,021.06 is: 3,936,107.75
Step by Step Solution
- Step 1: Write the proportion equation
4,919,164.02 : 6,786,616.44 = 2,853,021.06 : x - Step 2: Convert to fraction form
4,919,164.02/6,786,616.44 = 2,853,021.06/x - Step 3: Cross multiply
4,919,164.02x = 6,786,616.44 × 2,853,021.06 - Step 4: Simplify right side
4,919,164.02x = 19,362,359,629,462.23 - Step 5: Solve for x
x = 19,362,359,629,462.23/4,919,164.02 - Step 6: Final answer
x = 3,936,107.75
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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.