Finding the Fourth Proportional to 3,889,392.71, 5,367,330.88 and 2,257,951.46
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Solution
The fourth proportional to 3,889,392.71, 5,367,330.88 and 2,257,951.46 is: 3,115,954.98
Step by Step Solution
- Step 1: Write the proportion equation
3,889,392.71 : 5,367,330.88 = 2,257,951.46 : x - Step 2: Convert to fraction form
3,889,392.71/5,367,330.88 = 2,257,951.46/x - Step 3: Cross multiply
3,889,392.71x = 5,367,330.88 × 2,257,951.46 - Step 4: Simplify right side
3,889,392.71x = 12,119,172,564,317.55 - Step 5: Solve for x
x = 12,119,172,564,317.55/3,889,392.71 - Step 6: Final answer
x = 3,115,954.98
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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.