Finding the Fourth Proportional to 3,164,345.99, 4,366,694.94 and 1,768,870.50
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Solution
The fourth proportional to 3,164,345.99, 4,366,694.94 and 1,768,870.50 is: 2,440,983.98
Step by Step Solution
- Step 1: Write the proportion equation
3,164,345.99 : 4,366,694.94 = 1,768,870.50 : x - Step 2: Convert to fraction form
3,164,345.99/4,366,694.94 = 1,768,870.50/x - Step 3: Cross multiply
3,164,345.99x = 4,366,694.94 × 1,768,870.50 - Step 4: Simplify right side
3,164,345.99x = 7,724,117,861,865.27 - Step 5: Solve for x
x = 7,724,117,861,865.27/3,164,345.99 - Step 6: Final answer
x = 2,440,983.98
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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.