Finding the Fourth Proportional to 4,811,072.30, 6,639,279.39 and 2,877,332.84
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Solution
The fourth proportional to 4,811,072.30, 6,639,279.39 and 2,877,332.84 is: 3,970,719.09
Step by Step Solution
- Step 1: Write the proportion equation
4,811,072.30 : 6,639,279.39 = 2,877,332.84 : x - Step 2: Convert to fraction form
4,811,072.30/6,639,279.39 = 2,877,332.84/x - Step 3: Cross multiply
4,811,072.30x = 6,639,279.39 × 2,877,332.84 - Step 4: Simplify right side
4,811,072.30x = 19,103,416,622,782.16 - Step 5: Solve for x
x = 19,103,416,622,782.16/4,811,072.30 - Step 6: Final answer
x = 3,970,719.09
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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.