Finding the Fourth Proportional to 4,680,453.18, 6,458,993.28 and 2,615,474.01
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Solution
The fourth proportional to 4,680,453.18, 6,458,993.28 and 2,615,474.01 is: 3,609,336.19
Step by Step Solution
- Step 1: Write the proportion equation
4,680,453.18 : 6,458,993.28 = 2,615,474.01 : x - Step 2: Convert to fraction form
4,680,453.18/6,458,993.28 = 2,615,474.01/x - Step 3: Cross multiply
4,680,453.18x = 6,458,993.28 × 2,615,474.01 - Step 4: Simplify right side
4,680,453.18x = 16,893,329,054,604.65 - Step 5: Solve for x
x = 16,893,329,054,604.65/4,680,453.18 - Step 6: Final answer
x = 3,609,336.19
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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.