Finding the Fourth Proportional to 4,626,455.28, 6,383,746.44 and 2,906,357.52
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Solution
The fourth proportional to 4,626,455.28, 6,383,746.44 and 2,906,357.52 is: 4,010,294.78
Step by Step Solution
- Step 1: Write the proportion equation
4,626,455.28 : 6,383,746.44 = 2,906,357.52 : x - Step 2: Convert to fraction form
4,626,455.28/6,383,746.44 = 2,906,357.52/x - Step 3: Cross multiply
4,626,455.28x = 6,383,746.44 × 2,906,357.52 - Step 4: Simplify right side
4,626,455.28x = 18,553,449,471,667.23 - Step 5: Solve for x
x = 18,553,449,471,667.23/4,626,455.28 - Step 6: Final answer
x = 4,010,294.78
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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.