Finding the Fourth Proportional to 4,915,276.66, 6,783,134.99 and 2,710,143.75
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Solution
The fourth proportional to 4,915,276.66, 6,783,134.99 and 2,710,143.75 is: 3,740,027.70
Step by Step Solution
- Step 1: Write the proportion equation
4,915,276.66 : 6,783,134.99 = 2,710,143.75 : x - Step 2: Convert to fraction form
4,915,276.66/6,783,134.99 = 2,710,143.75/x - Step 3: Cross multiply
4,915,276.66x = 6,783,134.99 × 2,710,143.75 - Step 4: Simplify right side
4,915,276.66x = 18,383,270,872,285.71 - Step 5: Solve for x
x = 18,383,270,872,285.71/4,915,276.66 - Step 6: Final answer
x = 3,740,027.70
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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.