Finding the Fourth Proportional to 4,786,576.41, 6,605,279.95 and 2,827,088.65
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Solution
The fourth proportional to 4,786,576.41, 6,605,279.95 and 2,827,088.65 is: 3,901,266.87
Step by Step Solution
- Step 1: Write the proportion equation
4,786,576.41 : 6,605,279.95 = 2,827,088.65 : x - Step 2: Convert to fraction form
4,786,576.41/6,605,279.95 = 2,827,088.65/x - Step 3: Cross multiply
4,786,576.41x = 6,605,279.95 × 2,827,088.65 - Step 4: Simplify right side
4,786,576.41x = 18,673,711,976,717.57 - Step 5: Solve for x
x = 18,673,711,976,717.57/4,786,576.41 - Step 6: Final answer
x = 3,901,266.87
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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.